1、视频学习

情态动词can

情态动词must

2、在线练习

情态动词专项练习

一、单项选择。

(    ) 1. —Mum, I want to watch TV.

        —OK. But you _______ finish your homework first.

        A. can                          B. could                         C. must

(    ) 2. —How can he cross the road safely?

        —He can _______ on the pavement(人行道).

        A. waits                        B. wait                           C. waited

(    ) 3. Last Sunday, we went to the park and we could _______ kites in the park.

        A. fly                          B. flew                          C. flying

(    ) 4. —What does this sign _______?

        —It means you can't _______.

        A. mean, smoking            B. mean, eat and drink      C. mean, smoke

(    ) 5. It's cold outside. You _______ your sweater.

        A. must take off                B. mustn't put on                C. must put on

(    ) 6. —May I have a cat at home, Dad?

        —Yes, you can. But you ______ know how to ______ a cat.

        A. can, look out of             B. must, look after             C. must, look at

二、根据句意，选择适当的词或词组完成句子。

1. Mary _______ (can / could) draw well before.

2. To save energy, we _______ (can / can't) drive too much.

3. Miss Wang must _______ (be / is) in the office.

4. She likes shopping very much. Ten years ago she could _______ (buy / bought) things in the shops and now she can _______ (buy / buys) things on the Internet.

5. Tom is learning how to ______ (ride / riding) a bike. Wow look, he can _______

(ride / riding) to school now.

6. I _______ (can / must) leave now, because it will rain.

三、根据句意及首字母提示完成句子。

1. The man showed the king his new clothes, but the king c_______ not see them.

2. It's dangerous, you m_______ play football on the road.

3. Water is very important, so we c_______ waste it.

4. When we cross the road, we must f_______ the rules.

5. We can't l_______ in our classroom. We should keep it clean.

6. Mike looked excited, he must h _______ a good time last weekend.