We know that about seventy percent _____ the earth _____ covered by water.
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A
/; is
B
of; are
C
of; is
D
about; are
推荐题目
The story book _________ for two weeks .
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A
has been borrowed
B
has borrowed
C
has been kept
D
has kept
Most Japanese are greatly ___________ by the earthquake.
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A
affected
B
effort
C
influence
D
effected