典型例题：

① Your uncle is leaving for Ji'nan Sunday morning.A. in B. on C. for D. at

② He learned English four years.A. in B. on C. for D. at

解析：①的Sunday morning是具体的一天早晨，所以用介词on. 选B. ②中的four years是段时间，因此要用介词for. 选C.

随堂达标 一、单项选择

1. -_______ are you staying there? -Just for two days. A. How often B. When C. How long D. How many

2. I have _______ to tell you.

A. anything exciting B. exciting something C. exciting anything D. something exciting

3. -I'm going to Tibet next Monday. -_______.

A. I know B. That sounds exciting C. I'm sorry to hear that D. Thank you

4. What ______ she______ for vacation? A. does, does B. is, doing C. is, do D. are, doing

5. ―When are you going there? ―I am going there ______ May 12th. A. in B. on C. at D. for

二、用单词的适当形式填空

1. She's ____________ (babysit) her sister. 2. He's going on the ____________ (twelve).

3. That ____________ (sound) interesting. 4. How long are you ____________ (stay) in Beijing?

5. Can you show me those ____________ (photo)?

三、完成句子

1. 假期你计划干什么？______________________________

2. 我打算去野营。______________________________

3. 他打算在星期一看望他奶奶。He's ____________ his grandmother ____________ Monday.

4. 她妈妈下周在家休息。Her mother's ____________ ____________ ____________ next week.

5. 我将给你寄名信片。I ____________ ____________ you a postcard.

6. 当我们返校时，我们将让你看看我们的照片。We're _____ you our photos when we _____ _____ to school.

四、短文填空: 根据短文内容和所给的首字母，补全单词。

A: Hey, Lily. What are you doing for vacation?

B: I'm v____________(1) my uncle in London.

A: When are you l____________(2) for London?

B: I'm leaving the first week in October.

A: Who are you going w____________(3)?

B: I'm going there with my parents.

A: What are you d____________(4) there?

B: W____________(5) are going s____________(6), visiting museums and going to the beach.

A: And what's the w____________(7) like there?

B: Oh, it's very beautiful this time of the year. It's s____________(8) But sometimes it r____________(9).

A: I hope you'll h____________(10) a good time.

B: Thanks a lot.

【能力提升】语法练习

1. When is your friend home?A. left B. leave C. to leave D. leaving

2. Let's go. Don't call her. She doesn't like . (Which one is NOT right.)

A. take walks B. to take a walk C. taking a walk D. taking walks

3. I live at school. So I go home Friday afternoon.A. in B. at C. on D. to

4. - are you staying in New York? -About five days.

A. How B. How far C. How often D. How long

5. My mother wants milk because it is good for health.

A. me drink B. me to drink C. me drinking D. me not to drink

6. -What is your mother doing on the weekend? - my little sister.

A. I babysit B. I'm babysitting C. She babysits D. She's babysitting

7. -This weekend is coming. Let's go out for a bike riding. OK? -I can't decide .

A. to it B. on it C. going out D. go out