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【单选题】
In recent years an increase incidents ___ carrying iron filled with excessive moisture content.A.
contributed to
B.
gave rise to
C.
attributed to
D.
owed to
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【单选题】It is the second time that you have been late, ______?
A.
haven’t you
B.
isn’t it
C.
is it
D.
have you
【单选题】It is high time that you______the problem carefully about what you will do in the future.
A.
are studied
B.
must study
C.
studied
D.
study
【简答题】It is the first time that you have come toChina, _____? A.haven’t you B. isn’t it C.hasn’tit D. aren’t you
【简答题】It is high time that you (apply) ______ your knowledge to the production.
【单选题】It is about time that you ______ yourself a regular job. You can't go on like that.
A.
found
B.
find
C.
will find
D.
would find
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