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--There is somebody at the door．Who _________ it be? Is it the postman?

--No，it _________ be him．It's just seven o'clock． It's too early．

A．might；can't          B．will；won't           C．may；mustn't         D．must；mar not

Most of us will spend most time _________ lessons．

A．study              B．to study             C．studying              D．studies

How many English words _________ you _________ in the last two years?

A．do，learn               B．did，learn               C．have，learn             D．have，learned

--What's that in the tree，can you see?

--There must _________ some birds _________ in it．

A．are；sitting            B．be；sit             C．have；sitting           D．be；sitting

Bill said they would do _________ work today．

A．a two-hour           B．two hours              C．a two-hours          D．two hours’

My teacher didn't give up _________ me．

A．to try to help           B．trying to help          C．trying help            D．to try help

--“Oh，you have made the game mistake again!”

--“Oh，_________．How _________ I was!”

A．so have I；careless                                    B．so I have；careful

C．so have I；careful                              D．so I have：careless

I don't think children should be allowed _________．

A．drive              B．to drive             C．drives               D．driving

_________ shirts are both on _________ desk．

A．Tom's and John's；Mary and Jane's            B．Tom and John's：Mary's and Jane's

C．Tom's and John's；Mary's and Jane's          D．Tom and John's；Mary and Jane's

“Do you know _________? I'm going to see him．” “Sorry，I don't know．”

A．where does Mr. Li live                       B．where did Mr. Li live

C．where Mr. Li lives                               D．where Mr. Li lived