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The boy won’t get off the bus until the bus ________．

A．stop

B．will stop

C．stops

D．stopped

They ________ Beijing ________ the afternoon ________ May 1．

A．got，on，on

B．reached，on，on

C．arrived，on，of

D．reached，on，of

The girl ________ a nurse since she graduated from school．

A．was

B．is

C．have been

D．has been

Why ________ go to the park，it’s a fine day？

A．do

B．didn’t

C．don’t

D．not

棥—Could you please ________ on my foot？”

棥—Sorry．I’ll be more careful．”

A．not walk

B．not walking

C．not to walk

D．to not walk

I ________ an English-Chinese dictionary．I________ it last week．

A．will buy，bought

B．bought，will buy

C．bought，have bought

D．have bought，bought

His parents want him ________ at night．

A．don’t go out

B．not go out

C．not to go out

D．doesn’t go out

She has ________ studying English ________ five years ago．

A．been，for

B．be，since

C．been，before

D．been，since

We are sure that there will be ________ pollution than before in Beijing in the future．

A．little

B．less

C．a little

D．fewer

How many times ________ he ________ to the Great Wall？

A．have…gone

B．have…been

C．has…gone

D．has…been