In my opinion he is a little upset _____ what I mentioned above. [ ]A. since

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In my opinion he is a little upset _____ what I mentioned above. [ ]
A. since
B. because of
C. because
D. as

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举一反三

American English has changed ____ the centuries, too. [ ]
A. at
B. in
C. on
D. over

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Some English programs, ____ English on Sunday, Follow Me, are very helpful to us. [ ]
A. for example
B. according to
C. such as
D. because of

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____ is no wonder the building is ____. [ ]
A. It; in ruins
B. That; in ruins
C. There; in ruin
D. It; in ruin

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____ the end of last year, I have been working on the project, and it is progressing well. [ ]
A. Since
B. By
C. At
D. In

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Although _____ my opinion, the old professor didn"t come up with his own.

[ ]

A. against
B. on
C. for
D. in

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