A. 请根据句意或括号中的中文提示、英文释义，写出句中所缺单词，使句子通顺。 

1.My cousin is studying in Beijing, so we _________(not very often) see each other now.

2.—Where's your mother?

   — She is in the ________(厨房) cooking a meal.

3.We should try our best to prevent water ________(the state of being dirty) because people can't live without water.  

4.The weather report said that the temperature would fall _________(在……下面) zero.

5.We all know that _________is between June and August.

1根据对话内容及首字母提示完成对话。

Sally: Hello, Barry. I n__1. some things for class this afternoon. Can you b      2.them to school for me, please?

Barry: OK. Where are they?

Sally: My English book is on the desk. And the ruler is in the d__3..And my notebook...

Barry: Where's your notebook?

Sally: Uh. it's on the d        4.. Oh, no. It's on the desk. And my CDs, they're on the bookcase.

Barry: Well. I'll meet you a__5. 12 o'clock.

1--        ?

         --It's red and blue.

A. Where's your shirt

B. What color is your shirt

C. What's color your shirt

D. How old is your shirt