John shut everybody out of the kitchen ________ he could prepare his grand surprise for the party．

A．which

B．when

C．so that

D．as if

John, look at the time．________ you play the piano at such a late hour?

A．Must

B．Can

C．May

D．Need

Tom, you ________ leave all your clothes on the floor like this!

A．wouldn't

B．mustn't

C．needn't

D．may not

With a lot of difficult problems ________, the newly-elected president is having a hard time．

A．settled

B．settling

C．to settle

D．being settled

－I stayed at a hotel while in New York．

－Oh, did you?You ________ with Barbara．

A．could have stayed

B．could stay

C．would stay

D．must have stayed

The reason________ he is late is ________there was a breakdown on the railway．

A．why; why

B．because; that

C．that; because

D．why; that

The film brought the hours back to me________ I was taken good care of in that faraway village．

A．that

B．until

C．when

D．where

He talked about the school and teachers________ he visited there．

A．who

B．whom

C．that

D．which

－Let's go for an outing this weekend．

－________

A．I'm very glad．

B．I'll be happy．

C．Why not?

D．I would very much like．

His ability has never been in doubt － the question is________ he is prepared to work．

A．whether

B．if

C．that

D．where