相关考题
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单项选择题
It is not _____to quarrel with your boss.
A.worthy
B.worth
C.value
D.valuable -
单项选择题
Zhang Ming is good ______ Chinese. He often helps ______ it.
A.is,
B.at,
C.at,
D.on, -
单项选择题
The police are still checking ______his family background
A.in
B.out
C.up
D.on
