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【单选题】
21 st Century, ____weekly newspaper, provides us with____variety of fresh articles about campus studies and life.A.
a, the
B.
the, a
C.
the, /
D.
a, a
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举一反三
【单选题】You can't fancy what great trouble they have _______ the problem ________. [ ]
A.
to solve; being discussed
B.
solving; discussing
C.
to solve; to discuss
D.
solving; being discussed
【简答题】He always has great trouble (understand) _____ what the teacher says in class.
【单选题】--- ________ great fun chatting online is！ ---But it may cause you a lot of trouble.
A.
What a
B.
How
C.
What
D.
How a
【简答题】Mary always has great trouble (understand)______what the teacher says in class.
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