题目内容
10. It was quite a while before he s____________ Helen because she had her hair cut.
10. spotted
12. If you want to lose weight, its high time that you should go on _______ diet.
5. We to the airport, but why did you call a taxi?
A. should walk B. might walk
C. could have walked D. must have walked
2. The young woman had her car in the mud for two hours before the rescue workers arrived.
A. trap B. trapping
C. trapped D. to be trapped
4. ―Ready to quit guessing, Sandy?
—No, no, I hold on! I think I to the answer.
A. come B. have come
C. came D, am coming
根据中文提示使用适当的短语完成句子
1. Peter must be ill. It's the only thing that can____________ (解释）his strange behaviour.
8. The police caught the thief________________________ (当场）.
5. Why is it important for us to become lifelong learners? (The main idea of this passage is+表语从句）
_________________________________________________________________
