问题

This morning, when I walked by, I saw many children ____ in the park.
A:played
B:play
C:playing
D:to play
B:play
C:playing
D:to play
正确答案是:
同类题型
Joan has never been to Beijing. What about Jack? —
Hiking is__________ camping.I like both of them.
What did ________ old man in red buy in your shop?—He bought ________ umbrella.
Look! Do you know ______man under the tree? –Sorry .It’s too far to see ______clearly.
The poor _______ man lived ______in a small house, and he often feels ______.