He was arrested because he had something ________ with the accident．

A．done

B．doing

C．to do

D．do

－I'd like to invite you to dinner this Sunday．Mr．White．

－________．

A．Oh, no．I have something important to do．

B．That’ll be too hard to say．

C．I’m very sorry, but I have other plans．

D．I’d rather eat at home．

While building a tunnel through the mountain, ________．

A．an underground lake was discovered

B．there was an underground lake discovered

C．a lake was discovered underground

D．the workers discovered an underground lake

There were two boys in the lab, ________ did the experiment successfully．

A．the cleverer of whom

B．the clever of whom

C．the clever of them

D．the more clever of them

Mr．Johnson ________ a note to his letter in order to make his meaning clearer．

A．contributed

B．attached

C．adjusted

D．appointed

There was never any time for Kate to feel lonely, ________ she was an only child．

A．ever since

B．now that

C．even though

D．even as

Thousands of people took part in the work when the old temple ________．

A．would be rebuilt

B．was being rebuilt

C．was rebuilding

D．had been rebuilt

It doesn't make very good ________ to buy that expensive coat when these cheaper ones are just as good．

A．idea

B．opinion

C．use

D．sense

It's difficult to ________ a conversation with someone who only says “yes” and “no”．

A．pick up

B．put up

C．keep up

D．give up

The medical team ________ this area were kept busy ________ the cause of this unknown disease．

A．in charge of; in search of

B．in search of; in charge of

C．searched for; in charge of

D．in charge of; in search for