Zheng He’s first stop during the expedition was in _______ is a part of Vietnam today.

   A. where   B. what   C. which   D. that

The old man, _______ abroad for twenty years , is on the way back to his motherland.

   A. to work   B. working   C. to have worked   D. having worked.

Why didn't you tell me there was no meeting today? I       all the way here through the heavy snow.

    A．needn't have driven                      B．can't have driven

C．mustn't have driven                 D．shouldn't have driven

He came to my class every week, but his attitude _______he was not really interested in the subject.

    A. expressed   B. described  C. explained  D. suggested

Darwin counted 225 flowering plants, ______ he collected and brought home 193.

A. which   B. for which   C. in which   D. of which

Those who show respect for others will be respected ________.

A. in response   B. in return   C. in turn   D. in place.

______ on this report the English government decided to ask Captain Cook to go and look for this continent.

A. Having based   B. Basing   C. Based   D. To be based

Three minutes earlier,      they could have escaped such a disaster.

A．so       B．but       C．and      D．that

 ______, I have never seen anyone who’s as capable as John．

A. As long as I have traveled                        B. Now that I have traveled

C. As I have traveled so much                      D. Much as I have traveled

—Hi, Jack! I’m glad I came across you here.

— _________, Alice?

A. Who is that speaking                             B. How about a cup of tea

C. Why? What’s up                                          D. What can I do for you