As the twentieth century came to a close,the raw materials for a great national literature were at hand,waiting ______.
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A
to use
B
to be used
C
to have used
D
to be using
推荐题目
With more forests being destroyed, huge quantities of good earth      each year.
#102348
A
is washing away
B
is being washed away
C
are washing away
D
are being washed away
Two building workers got seriously wounded when the stadium _______. 
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A
was built
B
was being built
C
built
D
is being built
No judgement ________ about the case until all the evidences have been carefully checked.
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A
will be made
B
is made
C
is being made
D
has been mad
In the near future, more advances in cloning technology       by scientists.
#100756
A
are making
B
are made
C
will make
D
will be made