instruction:
In this task, you will be given a passage to read. A fill in the blank question will be given to you.  Your answer should fit the blank appropriately.
question:
Commercial operations are remunerated activities which fall within the ICAO definition of CAT . Some are , however , closely aligned to , and considered part of , the GA sector . Public transport operations are non @-@ scheduled , on @-@ demand services flying between points specified by the customer , providing a more flexible service than airline travel . Air taxi operations offer charter services for third parties , and business or corporate aviation uses company @-@ owned aircraft to transport employees and clients . Aircraft used in these operations include business jets , helicopters , and twin piston @-@ engine aeroplanes carrying between six and ten people . An example of this type of operation is the transport by helicopter of spectators to the British Formula One grand prix at Silverstone . This involves so many flights that , according to Cranfield Aviation Services , on race day the heliport is temporarily the world 's busiest airport . Aerial work is a small but important component of the commercial GA sector , characterised in its simplest form as remunerated non @-@ transport activities , such as surveying , crop spraying , and emergency services work ( air ambulance and police ) .fill in the blank  :   Commercial operations are remunerated activities which __________________ within the ICAO definition of CAT . 
answer:
 fall 


question:
 Tom Araya – bass , lead vocals Jeff Hanneman – lead and rhythm guitar Kerry King – lead and rhythm guitar , backing vocals Dave Lombardo – drums fill in the blank  :   Tom Araya – bass , __________________ vocals  
answer:
 lead 


question:
 The building and the surrounding park were used for many public purposes throughout the early 20th century . The Tower Building served as headquarters for the United Confederate Veterans Reunion , May 15 – 18 , 1911 . Over 106 @,@ 000 Civil War veterans , the largest popular gathering in the history of the city up to that time , attended and were housed in the building or camped in the park , which had also become a popular camping area . Later the building served as an armory for the Arkansas National Guard . In 1912 , the second floor of the Tower Building became Little Rock 's first public library . In 1917 , Little Rock built a fire station in the park , that building is now gone . A band shell named for H. H. Foster also was built in the park during this time , but also no longer exists . In 1936 , Works Progress Administration built the Museum of Fine Arts , now called the Arkansas Arts Center , just south of the Tower Building . The arsenal was listed in the National Register of Historic Places in 1970 . Due to its association with the Camden Expedition of 1864 , the arsenal may be included in the Camden Expedition Sites National Historic Landmark designated in 1994. In 1942 , the Tower Building was renovated due to the efforts of the Æsthetic Club , Little Rock philanthropist Frederick W. Allsop , and the Works Progress Administration . It became the new home of The Arkansas Museum of Natural History and Antiquities , which had been located in Little Rock City Hall . The museum remained in the tower building for approximately fifty @-@ five years . The area surrounding the Tower Building had been known as Arsenal Park when the first decommissioned and then later renamed City Park . Due to the efforts of Bernie Babcock , however , the city finally named it MacArthur Park in 1942 in honor of Douglas MacArthur. In 1997 , the Museum of Science and Natural History merged with the Little Rock Children 's Museum , which had been located in Union Station , to form the Arkansas Museum of Discovery . The new museum was relocated to a historic building in the Little Rock River Market District . The MacArthur Museum of Arkansas Military History opened on May 19 , 2001 in the Tower Building . The new museum 's goal is to educate and inform visitors about the military history of Arkansas , preserve the Tower Building , honor servicemen and servicewomen of the United States and commemorate the birthplace of Douglas MacArthur.fill in the blank  :  The building and the surrounding __________________ were used for many public purposes throughout the early 20th century . 
answer:

 park