the; the fourth; had been ruling
/; fourth; have been ruling
the; fourth; was ruling
a; the four; ruled
第1题:
A.eagerness
B. fear
C.hesitation
D.excitement
第2题:
—My whole body feels weak and I've got a headache. — ( )?
A. How long ago did you get it this
B. How long have you been like this
C. How soon have you got it
D. How soon have you liked this
第3题:
— How long _____ at this job? — Since 2000.
A、were you employed
B、have you been employed
C、had you been employed
D、will you be employed
第4题:
How can you convince him_____ the death of his wife, since he was with her a few minutes ago?
Aof
Bon
Cin
Dfrom
第5题:
第6题:
第7题:

第8题:
The United States today is the ()largest country in size in the world.
第9题:
humans have been growing food crops more than ten thousand years.
humans have learned how to produce biofuels for a long time.
humans are just on the beginning of making biofuels.
a cell wall includes four hemicellulose.
第10题:
第11题:
the; the fourth; had been ruling
/; fourth; have been ruling
the; fourth; was ruling
a; the four; ruled
第12题:
the United States is a wealthy country although poverty and crime exist there
crime has become a serious problem in the United States, although it is said to be a prosperous one
despite the fact that crimes have been increasing rapidly in the United States, it is a country of prosperity
in spite of stories about poverty and crime in the United States, it is prospering at an increasing rate
第13题:
A、has been
B、would have been
C、had been
D、was
第14题:
—I can't see the words on the blackboard. —Perhaps you need _( )
A. How long ago did you get it this
B. How long have you been like this
C. How soon have you got it
D. How soon have you liked this
第15题:
A.had been cleaning
B.is cleaning
C.has been cleaning
D.was cleaning
答案:D
解析:本题考查时态用法。根据题干可知时态是过去时,故排除B、C两项。while是一个信号词,表示一个时间点,并不强调完成,排除A。句意:秘书在打扫桌子的时候,他发现了丢失已久的报告。
第16题:
According to the last paragraph, the fourth way is "of a different kind" because( )
[A] the first three ways can increase the water supply, while the fourth one can't
[B] the first three ways can make a better use of water, while the fourth one can't
[C] the first three ways is technology-based, while the fourth one is market-based
[D] the first three ways can't balance the supply and demand of water, while the fourth one can

第17题:
第18题:

第19题:
John and Mary()for years before they got married.
第20题:
should have done
must have been done
should have been done
might have done
第21题:
empty
bare
blank
hollow
第22题:
because
though
so
while
第23题:
He had been there
Here he had been
Been here he had
Had he been here
第24题:
tricked
deceived
robbed
stripped