Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Q: Norplant implants are ____ matchstick size rods that are inserted into the upper arm.

A: six
****
Q: Some alternative antibiotics require ____ doses per day for ten days.

A: three
****
Q: Dependence can come in ____ forms - physical and psychological.

A:
two
****