He complained that this was the third time he            of the changes of the meeting date.
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A
would be informed
B
was informed
C
has been informed
D
has been informed
推荐题目
 The house is dirty because it ________ since they moved out.
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A
doesn't clean
B
isn't cleaned
C
hasn't cleaned
D
hasn't been cleaned
In the last few years thousands of films ________ all over the world.
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A
have produced
B
have been produced
C
are producing
D
are being produced
 Up to now, our society ________ with limited living space and a shortage of natural resources.
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A
has been challenged
B
is being challenged
C
is challenging
D
has challenged