—Mum, can I go out to play with my friends tonight?
—OK, but you _______ come back before 9 o’clock.
A. can B. may C. must D. might
—Which of the bags will you buy?
—_______. They are both too expensive.
A.Neither B.Both C.All D.Either
—Don’t smoke here, Dad. Smoking _____ in public places.
—Oh, sorry. I’ll stop right now.
A. isn’t allowed B. aren’t allowed
C. doesn’t allow D.wasn’t allowed
Can you imagine _______ in the future?
A. what will our city like
B. what our city will look like
C. how will our city look like
D. how our city will like
I won't go to Linda's party unless _______.
A. I will be invited B. I am invited
C. I will not be invited D. I am not invited
Three years has _______ since we last _______ each other.
A. passed; have met B. past; have met
C. passed; met D. past; met