There was a time we used foreign oil. A. that B. when C. which D. \——青夏教育精英家教网——

题目内容

There was a time _____ we used foreign oil.

A. that
B. when
C. which
D. \

试题答案

B

相关题目

There was a time _____ we used foreign oil.

A. that
B. when
C. which
D. \

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