3) He _____ ____ ______ (屏住呼吸)while the results were read out.

4) The smoke in the room was so heavy that we could hardly _______.（呼吸）

【合作探究】

Grammar 1 : Nouns used as verbs

Ⅰ. Look at the verbs in bold. What are the nouns of these verbs?

A. When Zhou Kai's mother saw him heading towards the front door without a jacket on, she eyed him anxiously.

B. And I'm not overweight so I never have to diet.

Ⅱ. Complete the sentences using the words as verbs

finger hand house mother taste

1. Stop _______ me! I'm not a child.

2. This apartment _______ six people and a dog.

3. She ________ the silk gently.

4. It ________ really delicious.

Can you ________ me those papers?