III. Key structures.
关键句型。
A) Underline the gerund in the passage.
画出课文中出现的动名词。
B) Give the correct form of the verbs in parentheses. Do not refer to the passage until you finish your exercise.
用括号中动词的正确形式填空，完成练习后再对照课文，核对你的答案。
1. I also realized I could get the meaning by (listen) for just the key words.
2. My pronunciation improved as well by (listen) to the conversations in English movies.
3. I discovered that (listen) to something interesting is the secret to language learning.

1. listening 2. listening 3. listening

B) Choose the proper expressions from the box and complete the sentences.
从方框中选择恰当的短语填空，完成下列句子。

1. He is weak carry the heavy box.
2. He isn't strong carry the heavy box.
3. He is weak he can't carry the heavy box.
4. They flew there they might attend the opening ceremony in time.
5. They flew there attend the opening ceremony in time.

1. too… to… 2. enough to 3. so…that 4. so that/in order that 5. in order to