4. When Paul's employers offered him a job in their New York office, he ________ ________ ________ (抓住了机会).

5. It's only ________ ________ ________ ________ (时间问题) before she left the company.

Part 2 Learning about Language

I. 根据下面各句句意以及所给单词的首字母，写出该单词的正确形式（每空一词）。

1. Some people find it hard to b________ the heat in the summer, so they fly to much cooler places.

2. The court found him i________ and he was released.

3. She picked up the phone and d________ 120.

4. We were asked to show some i________ before the security guards would let us in.

5. It's f________ in this house. Can't I turn on the heating?

6. Sorry we're late. We got stuck in a traffic j________.

II. 用括号内动词的正确形式填空。

1. "It's such a nice place," Mother said as she sat at the table ________ (reserve) for customers.

2. My father says I'd enjoy a walking holiday, but I'm not ________ (convince).

3. We had a lot of snow last night, so I want to have all the paths ________ (clear) this morning.

4. All afternoon he worked with the door ________ (lock).

5. He looked ________ (puzzle) so I repeated the question.

6. It is said that Sarah is the ________ (adopt) daughter of a well-known businessman.

Part 3 Using Language

I. 根据下面各句句意以及所给单词的首字母或汉语提示词，写出该单词的正确形式（每空一词）。

1. What's the use of theoretical knowledge that has no p________ application?