---I think English is ____unimportant subject.
---I don’t think so. It is ____useful tool when we talk with foreigners.
| A．a; an | B．an; a | C．a; a | D．an; an |
—May I play computer games, Mum?
—No, you ______. You’ve got a lot of homework to do.
| A．needn’t | B．mustn’t | C．wouldn’t | D．won’t |
Mike and I _______ net-friends. We talk on-line every week.
| A．am | B．was | C．are | D．is |
—Which car is _______, the yellow one or the red one?
—The red one, I think.
| A．expensive | B．much expensive | C．more expensive | D．most expensive |
— _______ does Earth Day come every year?
—It comes on April 22.
| A．What | B．Why | C．When | D．Where |
Lily knows some Chinese, ______ she can read the words on the bottle.
| A．so | B．or | C．but | D．for |