题目内容

【B13】

A. problem
B. question
C. answer
D. time

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【B12】

A. some time
B. sometime
C. sometimes
D. some times

【B7】

A. invited
B. made
C. offered
D. asked

根据优势种的定义,热带稀树草原中的大树为优势种。

A. 正确
B. 错误

Where did the woman see the film?

A. In a library.
B. In a cinema.
C. On TV.

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