—Would you like to go for a walk with me, Allen?

—I'd love to, ________you don't want to go alone.

A. until   B. before    C. if    D. after

—Have you decided where to go for your summer vacation?

—Not yet. We _________go to Qingdao. It is a good place for vacation.

A. may   B. should    C. need    D. must

—What do you think of Liu Huan?

—Oh, he is my favourite singer. I think no one can sing________.

A. good    B. well   C. better    D. best

Elephants eat________, but they can move _______when necessary.

A. noisy; silent    B. noisily; silently    C. noisily; silence    D. noisy; silence

What time do you expect her________?

A. arrive  B. is arriving   C. arriving    D. to arrive

—Mom, when can I go out to play football?

—Finish your homework first, or I ________let you go out.

A. don't   B. didn't   C. won't    D. haven't

—Who is the little girl in the picture?

—It's me. The picture __________10 years ago.

A. took    B. is taken    C. has taken    D. was taken

This math problem is too difficult. Can you show me________, George?

A. what to work out     B. to work it out   

C. how to work it out   D. how to work out it

—Hi, guys. Where are you heading now?

—Home. We _________all our money, so we have to walk home now.

A. spend   B. spent    C. have spent    D. are spending

—Please _______to return my book by Friday. I'll use it on Saturday.

—No, problem. I'll finish reading it on Thursday.

A. don't forget   B. not to forget   C. not forget     D. forget not to