2020年军队职称英语综合类A级其他固定搭配词汇指导(16)

I ________ the bike for 10 years．
A.bought
B.have bought
C.have had
D.have

 

Over the past three decades the number of students leaving home each year to study abroad ________ at an annual rate of 3.9 percent, from 800,000 in 1975 to 3.5 million in 2008．
A.grew
B.grows
C.have grown
D.has grown

 

Professor Li ________ back from the United States for over two months．
A.has come
B.has been
C.had come
D.came

 

We must try our best to         the river being polluted any more.
A.separate
B.keep
C.prevent
D.guard

 

This is the first time she ________ Beijing．
A.has gone
B.has been gone
C.has been going
D.is being gone

 

World energy demand ________ at a rate of about 3％ per year．
A.will increase
B.increased
C.has increased
D.is increasing
 

It is said that the book _________ many events that can’t be found in other books.
A.covers
B.writes
C.prints
D.reads
 

This is the first time I ________ here．
A.was
B.am going
C.have been
D.came

 

You can go out when you ________ your homework．
A.have finished
B.will finish
C.shall finish
D.had finished

 

China is now the third country to conduct spacewalk, the other two ________ that are the former Soviet Union and the US．
A.to achieve
B.having achieved
C.to have achieved
D.achieving