根据句意和首字母或提示完成单词。

1. The weather is very hot in s__________.

2. These are my p__________, my father and mother.

3. There is an English-Chinese d__________ on the teacher's desk.

4. How many __________ (city) are there in China?

5. These are __________ (they) pencils.

6. This is Betty. She is __________ (Tony) friend.

7. There are __________ (49) students in our class.

8. My favourite food is __________ (面条).

9. What are these? They are my __________ (foot).

10. His father is factory __________ (work).

He wanted to pass the exam and styed up very late, this_____ creates further problems.

A．in turn

B．in case

C．in doubt

D．in short