While ________ thin, this kind of paper ________ easily.A．looked; doesn't tornB．

题干

While ________ thin, this kind of paper ________ easily.

A．looked; doesn't torn	B．looking; isn't torn
C．looked; isn’t torn	D．looking; doesn’t tear

上一题下一题 0.4难度单项选择更新时间:2019-08-09 05:47:36

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