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问题

People _________ rivers for transportation since the beginning of history.

A:used
B:have used
C:use
D:had used
正确答案是:
标签: people , used
同类题型

Wow, my new bike looks the same as ___________. ——–Really.

This isapple. It’sbig apple. apple is for you.

Don’t worry about him.He’s old enough to_______himself.

How about your journey to Shanghai? — Everything was wonderful except that our car ________.

There ______ some sick children in the party and each of them ______ a gift.

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