She ought to stop ________．She has a headache because she ________too long．

A．to work, was reading

B．to work, has read

C．working, has read

D．working, read

Mr．Green isn’t here．He ________London．

A．has been to

B．has gone to

C．has been in

D．has gone at

This pair of shoes ________me 50 yuan．

A．spent

B．paid

C．cost

D．took

I’m afraid his radio is too noisy．Will you please ________him to turn it down?

A．make

B．let

C．ask

D．keep

Our teacher is very patient, and she never ________ trying to help every student．

A．uses up

B．stays up

C．gives up

D．makes up

Beijing ________ a lot since it was made host of the 29^th Olympic Games．

A．has changed

B．have changed

C．was changing

D．will change

________ out and play until you finish your homework．

A．Not go

B．Don’t go

C．Not going

D．Not to go

Can I go now or do you want me ________?

A．wait

B．waited

C．waiting

D．to wait

I’m sorry, you’ve missed the train．It ________ five minutes ago．

A．was leaving

B．has left

C．left

D．leaves

We’ll stay at home if it ________ tomorrow．

A．rain

B．rains

C．rained

D．raining