单项选择题
Jean didn't have time to go to the concert last night because she was busy ______ for her examination.
A．to prepare
B．to be prepared
C．preparing
D．being prepared
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单项选择题
You ______ to remember more and, in most cases, will be tested on what you read.
A．are expect
B．expect
C．expects
D．are expected
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单项选择题
When we ______ one aspect of a problem, we tend to ignore the other aspects.
A．are absorbed on
B．are absorbed in
C．are absorbed to
D．are absorbed for
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