人教版英语八年级上册Unit9 语法专练：情态动词can,have to

Unit9 语法专练：情态动词can，have to

一、单项选择

1. —Can you come to my house-warming?

—______, but I have a lot of homework to do.

A. I’d love to

B. Yes, let’s go

C. No, I won’t

D. It doesn’t matter

2. My bike is broken today, and I ____ go to school on foot.

A. have to

B. must

C. need

D. has to

3. Excuse me. Could you read the story aloud, please? I ____ hear you.

A. can’t

B. mustn’t

C. have to

D. needn’t

4. —You ____ watch TV here. The baby is sleeping now.

—I’m sorry. I’ll go to the next room.

A. can

B. can’t

C. must

D. have to

5. —____ you come to my birthday party this weekend?

—I’m afraid I ______. I have to look after my sister.

A. Can; can

B. Must; must

C. Must; mustn’t

D. Can; can’t

二、翻译题

1. 明天你能去远足吗？

_______________________________________________________

2. 我想我们必须学好数学。

________________________________________________________

3. 汤姆病了，他不得不待在家里。

________________________________________________________

参考答案及解析：

一、

1. A 对于别人的邀请不能接受时通常先礼貌地说I’d love to或Sorry，再说明原因。故选A。

2. A 自行车坏了是客观因素，故用have to。

3. A 由题意可知“我不能听见”，故应用can’t。

4. B 由下文可知应是“你不能在这里看电视”，故选B。

5. D 句意：“你这周末可以参加我的生日聚会吗？”“我恐怕不能。我得照看我妹妹。”根据句意可知，问句表示请求，应该用can；由“I have to look after my sister.”可知，应为否定回答，故选D。must意为“必须；一定”。

二、

1. Can you go hiking tomorrow?

2. I think we must learn math well.

3. Tom is ill. He has to stay at home.