When John was sick, he couldn’t () his homework.
（A）find out
（B）work up
（C）concentrate on
（D）look over
参考答案
继续答题：下一题
更多大学英语备考试题
- 1His ________ of the aero-plane was correct in every detail and could really fly.()
- 2It’s going to rain we’d better ________ our tools and go indoors.()
- 3Alice isn’t the oldest girl in her class, but she is older than________.()
- 4To make our companies ______ in the market, we have to be more creative and productive.
- 5Don’t worry. I will make every () to help you out of trouble.
