Do you often see Mr. Smith ______ on the playground —No! But he is often seen ______ Chinese Kungfu in the park.

Not only the USA and Russia but also China ________ manned satellites to circle the earth.

The passage is easy. There are ____ new words in it. —Yes, but I don’t think ______can understand it.

Alice ____ eat meat so that he can keep herself from getting too fat.

I’m sorry you have missed the bus. It_____ five minutes ago.— What a pity!