--Why does the lake smell terrible? ---Because large quantities of water ______.
#85773
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
Mr. Bush, together with his wife and daughter _____ going to Japan next week.
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A
are
B
is
C
will be
D
would be
This pair of shoes ________ mine. Those shoes __________ John’s.
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A
is; is
B
are; are
C
is; are
D
are; is
Twofifths of the highway________so far.
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A
has been completed
B
was completed
C
have been completed
D
has completed
