________ homework did we have to do that we had no time to takea rest．

A．So much

B．Too much

C．Too little

D．So little

We won't keep winning games ________ we keep playing well．

A．because

B．unless

C．when

D．while

I can't stand ________ with Jane in the same office．She just refuses ________ talking while she works．

A．working; stopping

B．to work; stopping

C．working; to stop

D．to work; to stop

Mary wanted to travel around the world all by herself, but her parents did not ________ her to do so．

A．forbid

B．allow

C．follow

D．ask

I'd appreciate ________ if you would like to teach me how to use the computer．

A．that

B．it

C．this

D．you

________ he has limited technical knowledge, the old worker has a lot of experience．

A．Since

B．Unless

C．As

D．Although

The ________ on his face told me that he was angry．

A．impression

B．sight

C．appearance

D．expression

They ________ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far．

A．had been working; are still working

B．had worked; were still working

C．have been working; have worked

D．have worked; are still working

I'd like to arrive 20 minutes early ________ I can have time for a cup of tea．

A．as soon as

B．as a result

C．in case

D．so that

We can't imagine ________ in the entrance examination, for she has never been to school．

A．she succeeding

B．her succeeding

C．she succeed

D．her to succeed