The Russian rocket designer has died. For many years, he ______ as an important assistant to the father of Soviet space program.
#101576
A
serves
B
was serving
C
served
D
has served
推荐题目
—Beg your pardon, but I didn’t quite catch what you said.—Oh, I to myself.
#101947
A
have talked
B
am talking
C
had talked
D
was talking
In order to stop poverty, the World Bank has ______ its focus to providing technical assistance and long-term loans to developing countries.
#103287
A
fixed
B
exchanged
C
transferred
D
switched
–-Did you mind if we set out earlier tomorrow morning? ---Well, I’d rather you __________．
#103055
A
don’t
B
won’t
C
didn’t
D
wouldn’t
The taxi was so slow that we might as well _________ on the bus.
#102881
A
go
B
have gone
C
to go
D
having gone
John had to have his car repaired in a garage because it ______ seriously.
#100668
A
damaged
B
was being damaged
C
had damaged
D
had been damaged