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
The child can not ______ the pain caused by the wound. A) endure C) complain B) involve D) pay
The child can not ______ the pain caused by the wound.
A) endure C) complain
B) involve D) pay
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