温馨提示：
此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。
素能提升演练（八）
必修3 Unit 8
Ⅰ. 根据所给词的适当形式填空
1. We were _________ (anxiety) for your safe arrival.
2. The scientist ________ (observation) the behavior of the mice after they were given the drug.
3. His years of experience at the job put me at a __________ (advantage).
4. He ________ (different) with his brother about a political question.
5. You have _________(confusing) the meanings of the two words.
6. The explorer was an expert at _________ (survive) in the wilderness.
7. His excuses were ________ (vary), but none was convincing.
8. There is a speed _______ (limit) of 5 m. p. h. in towns.
9. It _________ (amazing) me to hear that you were leaving.
