1 . Most doctors think people’s health_______ (可能) be closely related to their diet. （根据汉语提示单词拼写）

2 . The sugar in soft drinks forms acid and_______ (可能会) attack our teeth for about 20 minutes. （根据汉语提示单词拼写）

3 . This sort of roast meat ________(可能) be a local super food. (根据汉语提示单词拼写)

4 . —Is there a flight to Washington this morning?
—There ________ be. I’ll phone the airport and find it out.(might，could)（选择合适的情态动词填空）

5 . During the reform process, there________(可能) exist some problems which affect the lives of citizens. (根据汉语提示单词拼写)

6 . Her dress________(可能) be too fancy for such a formal occasion. （根据汉语提示单词拼写）

7 . The man likes fantasies, so his ideas ________ (可能) be regarded as strange. (根据汉语提示单词拼写)

8 . 用方框内短语的适当形式填空

can，could，may，might，must

1. Helen ________ go on a trip with us, but she isn’t quite sure.
2. My sister met him at the theatre last night, so he ________ have attended your lecture.
3. —I am sure I saw Brian in the park this morning.
—You ________ be imagining things. He left for America last night.
4. —Is John coming by bus?
—He should, but he ________. He likes riding his bike.
5. —Isn’t that your teacher over there?
—No, it ________ be him. I’m sure he doesn’t wear glasses.