1 . 选词填空

tongue 　semester 　petrol 　subway 　apartment   beg　gap 　vocabulary 　struggle

1. In turn, this increases the amount of ________ used, which leads to more pollution.
2. Last week, our class organized a voluntary activity in ________.
3. When my family ________ to make a living on our farm, I wanted a violin, but we didn’t have the money.
4. One day, my brother and I were alone in our ________.
5. It could be a lollipop (棒棒糖) that turns your ________ blue.
6. The generation ________ between our parents and us may tend to become bigger and bigger.
7. Our school, just like other schools nationwide, has delayed the opening of the spring ________.
8. I ________ you to teach the text more slowly so that the average students can easily follow you.
9. By reading classics we can enlarge our ________ and it is also an effective way to improve our writing.