单项选择题

Great changes ______ in Chongqing since 1997.
A) have taken place C) has been happened
B) have been taken place D) had been happened
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单项选择题
Your composition is good ______ some small grammatical mistakes. A) except on C) except with B) except for D) except in
Your composition is good ______ some small grammatical mistakes.
A) except on C) except with
B) except for D) except in
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