--Could you tell me____the computer to surf the Internet?
--Sure. It’s very easy. Look, like this.
| A．where to use | B．when to use |
| C．How to use | D．what to use |
Jack, please tell Tom to call me when he ______ back.
| A． come | B．comes | C．came | D．will come |
Mr. Black asks the kids ________ in the river, because it’s too dangerous.
| A．swim | B． to swim | C．not to swim | D．swims |
You have to leave now_______ you can catch the early bus.
| A．so that | B．as soon as | C．because | D．although |
---Were you at home at 7:00 yesterday evening? I called you but no one was there.
---Sorry, we ___________ a movie at the theatre at that time.
| A．watch | B．were watching | C．watched | D．are watching |
Helen got up too late this morning, so she went to school _____ breakfast.
| A．without | B．through | C．by | D．for |