V.选择填空。从A.B.C中，选出一个最佳答案完成句子。（每小题1.5分）
1. --- ________ are you going for vacation? ---I am going to Hong Kong.
A. Where B. What C. How D. How long
2. I’m a little bit ______. I want to drink some water.
A. hungry B. thirsty C. angry D. tired
3. -______are you staying there? -Just for two days.
A. How often B.When C.How long D. How many
4. He works very hard. Every night he doesn't go to bed _______eleven o'clock.
A. after B. until C. for D. in
5. ------ May I ask you ________questions? ------ Of course.
A. that B. much C. some D. a little
