分类：教育/科学-学习帮助
问题：请给个标准答案(最好给下原因)()20．Thefilm_____ 
(  )20．The film_________  in this town now． shown beenshown(  )21． Just now  he_________  me that a new  hotel_________  up near the parknext year. ld... ld...wouldset ld... ld...wi11set(  )22. The policemen_________  for the thief for a long time and finally he________by the(  )20．The film_________  in this town now． shown beenshown(  )21． Just now  he_________  me that a new  hotel_________  up near the parknext year. ld... ld...wouldset ld... ld...wi11set(  )22. The policemen_________  for the thief for a long time and finally he________by them  yesterday． arch...caughtB.wassearched...wascaught arched...wascaughtD.hadsearched...wascaught(  )24. I asked the man in the shop if the watch can ________in two days.A． when did it happen           B． when was it happenC． when it was happened         D． when it happened(  )24. I asked the man in the shop if the watch can__________  in two days． repair(  )25．look， they_________  how  to cut rice． ebeingshown eshowing(  )26．The book__________  well__________  ．A.hasbeen... ...written ... ...wrote(  )27．________ the children_________  a medical examination once a year?A．  Do…give                    B．  Is...givenC． Are...  given                D． Does... give(  )28．A  lot Of books________  in our library． ekept ekeeping(  )29. When __________ he People's Republic of China________ ?A. did...found                   B. was... foundC． was…founded                 D． did...find(  )30. They________  to speak at the meeting. ked? 小弟在此先谢过
回答：除了２１题，应该选c，因为and本身就可以表示承接或结果，其他的答案学长的回答都是正确的．