An increasing number of students,year by year,across China  _______ hard to real

An increasing number of students,year by year,across China  _______ hard to real

题型:不详难度:来源:
An increasing number of students,year by year,across China  _______ hard to realize their dream of studying abroad.
A.tryB.have tried 
C.will tryD.are trying

答案
D
解析
考查动词时态。根据语境可知是很长时间内一直在重复进行的动作。
举一反三
The hero’s story _______ differently in the newspapers.
A.was reportedB.was reporting
C.reportsD.reported

题型:不详难度:| 查看答案
The crazy fans _______ patiently for two hours, and they would wait till the movie star arrived.
A.were waitingB.had been waiting
C.had waitedD.would wait

题型:不详难度:| 查看答案
—Would you like another sandwich?
—Another sandwich? I _______ my first one yet.
A.haven’t hadB.hadn’t had
C.didn’t haveD.don’t have

题型:不详难度:| 查看答案
They _______ on the program for almost one week before I joined them,and now we _______ it as no good results have come out so far.
A.had been working; are still working
B.had worked; were still working
C.have been working; have worked
D.have worked; are still working

题型:不详难度:| 查看答案
The first use of atomic weapons was in 1945.And their power _______ increased enormously ever since.
A.isB.was
C.has beenD.had been

题型:不详难度:| 查看答案
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