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

We are now living in a high-tech age ____ easy things are becoming complicated．

The girl turned her head around to avoid her parents in the street.

There will be ___________ to treat 10 people to lunch.—Sounds __________.

－Bob, have youpacked yet－Yes, Mum.－Look over andthatyou have taken everything you need.