Did you have trouble ________________ the post office?

A.　　  to have found　　   　　　　　　  

B.　　  with finding

C.　　  to find　　  　　　　　　   　　   

D.　　 in finding

Last summer I took a course on ________________.

A. how to make dresses　　　　   　　　　　　 

B. how dresses be made

C. how to be made dresses  　　　　　　 

D. how dresses to be made

Unless ________________ to speak, you should remain silent at the conference.

A.　　  invited　　  　　   

B.　　  inviting　　 　　   

C.　　  being invited　　   

D.　　 having invited

The thing that ________________ is not whether you fail or not, but whether you try or not.

A.　　  matters　　 　　   

B.　　  cares　　    　　   

C.　　  considers  　　   

D.　　 minds

________________ electricity plays such an important part in our daily life?

A. Why was it that　　　　　　    　　　　　　 

B. Why is it that

C. Why is it    　　　　　　　　　　 　　　　　　 

D. Why it is that

________________ with the size of the whole earth, the biggest ocean does not seem big at all.

A.　　  Compare  　　　　　　   　　   

B.　　  When comparing

C.　　  Comparing　　　　　　   　　   

D.　　 When compared

It was about 600 years ago ________________ the first clock with a face an hour hand was made.

A.　　  that   　　 　　   

B.　　  until　　　　 　　   

C.　　  before     　　　　　　  

D.　　 when

We’ll have to finish the job, ________________.

A.　　  long it takes however

B.　　  it takes however long

C.　　  long however it takes　　   

D.　　 however long it takes

A singer and dancer ________________ to our city to give a performance.

A. are coming　　　　　　   B. are come　　　　　　　　  C. is coming　　　　　　　　 D. is come

Either you or the headmaster ________________ the prizes to these gifted students at the meeting.

A.　　  is handing out　　　　   　　　　　　  

B.　　  are hand out

C.　　  are handing out　　　　   　　   

D.　　 is to hand out