问题描述：
1.we saw many people_____ on the ice in the gym when we got there.用to do的形式还是doing的形式?
2.Did you watch the movie ____ ABC.A.call B.called C.is calling
3.I saw ____ people lived there.A.when B.what C.how
2.Did you watch the movie ____ ABC.A.call B.called C.is calling
3.I saw ____ people lived there.A.when B.what C.how
问题解答：
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