题目内容
1. I planned to a a concert yesterday but my ticket disappeared.
1. attend
19. 这张CD里全是音乐，没有任何唱的。
It's all music in the CD._____________________________________
小明的妈妈发现近期放在家门口的垃圾经常不翼而飞，不知道是谁帮忙拿走的。主动拿走垃圾的是小
明，是一些动物，还是清洁工？请你以"Where is the trash?"为题，写一篇推理文章。词数120词左右。
参考词汇：neighborhood小区，take out the trash 倒垃圾，disappear without any trace不翼而飞【我的提纲】
罗列可能的情况:
4. 咱们选Mike当班长怎么样？他不仅诚实，而且守信。
Shall we make Mike our monitor? He is
用who, whose, which或that填空。
1. A clock is a machine tells people the time.
16. Forests can help prevent water from (run) away,so drought doesn't often happen in this area.
23. 世上没有免费的午餐。
_______ ________ _________ ________ as free lunch in the world.
6. I'm on duty today. So I went to school earlier than before to clean the classroom. But to my surprise,
the classroom was very clean. (某人)has cleaned it. I wondered who did it.
( ) 6. -Who's singing in the garden?
--It be Mr. Brown. He always practices singing at this time.
A. must B. can't C. need D. mustn't
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