回复：五百基础词汇的使用和练习（16）

1. Little Paul was (grateful) that he got the Christmas present he asked for.

2. I (doubt) that you can break Michael Jordan's world scoring record.

3. My mother used to say that I was as (slender) as a toothpick.

4. Be (cautious) about swimming right after eating a meal.

5. The map he drew of our neighborhood was not very (accurate).

6. In Superman comics, the only thing Superman couldn't (penetrate) was lead.

7. When my family went to look for a new house, we had a (vast) choice.

8. Modern highways far (surpass) the old dirt roads of yesterday.

9. The jar was filled to (capacity).

10. We were all very (confident) that Duane would pass his exams.

11. The (microscope) used by my biology teacher is very expensive.

12. The music was so loud that I thought that it would (pierce) my eardrums.