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Chinabegantoopentotheoutsideworldinthelate1970s.

练习题3.1W

问题详情:

Chinabegantoopentotheoutsideworldinthelate1970s.

China began to open to the outside world in the late 1970s._________, there have been great changes in the country.

A.By then            B.As a result        C.At last             D.In all

【回答】

B

知识点:介词和介词短语

题型:选择题

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