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A.I saw Lucy dance then.B.I saw Lucy dancing then.

A.Where did you go?B.What did you do?

A.I want to visit the Great WallB.I wanted to visit the Great Wall.

A.How old are you?B.How are you?

A.I wanted to play computer games yesterday.B.I wanted to play computer yesterday.

What did you ate in the American restaurant? ______

Tell my more about this building. ______

I went to school in 7 o'clock this morning. ______

There are lots and lots of people here two years ago. ______

There are a restaurant and some shops in this street. ______