4.______ you do your homework two days ago?
a)Do b)Will c)Did
5.His sister ______ puzzles yesterday.
a) didn’t play b) doesn’t play c) won’t play
6.My sister is the __________ pupil in her class.
a) good b) better c) best
7.This baby is the __________ baby in the world.
a)smart b) smarter c)smartest
8.Tigers are __________ than dogs.
a) big b) bigger c) biggest