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题型：单选题题类：常考题难易度：普通

过去进行时（专题）

We along the river when it rained.

A、walk B、walking C、was walking D、were walking

举一反三

This time yesterday Jack _______ TV.

While we _______, the teacher came in.

He _______ his car while I was cooking.

I if you can give me a lift.

—What were you doing when the telephone rang?

—I a football match on TV.

When I got to the factory, the workers ____about the film.

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