精选优质文档-倾情为你奉上易错题型精选练习1、 词汇。（A） 根据句意用所给单词的适当形式填空1. Look at the books on the ground. Lets pick _(they) up.2. We can move some _(factory) away from our city to keep air clean.3. There _(be) too much rubbish in the park. It looks very messy.4. As we all know black smoke from cars_(make) air dirty.5. The rubbish in the water can make the fish_ (die).6. We planted more trees to make air clean two years ago.Well_ (do),Helen.7. Ru
