Completethefollowingsentences：
问题描述：
Completethefollowingsentences：
1、Somefactories oftenp____dirty water.
2.Weoftenkeepclassroomcleanandt_____
3.N____ of us hasbeentoSummer Place.
4.Excuseme,haveyougotanybooks o___ science?
5.Have youever p_____apples?
9.Iamafraidyoumustp___forthelosrt book.
答
1.produce.一些工厂经常制造脏水.
2.tidy.我们经常保持教室干净整洁.
3.Neither.我们两个谁也没有去过颐和园.
4.on.打扰一下,你们这有关于科学方面的书籍吗?
5.picked.你摘过苹果吗?
6.pay.你恐怕必须要为丢失的书付款.