问题
填空题
根据句意，用括号内所给单词的适当形式填空。
1. — What will you do when you are in _____ (dangerous)?
— I'll call 110.
2. He was there for a long time without _____ (do something).
3. We all know work must come _____ (one).
4.Thanks for _____ (listen) to my talk.
5. I _____ (begin) to study English two years ago.
答案
1. danger 2. doing anything 3. first 4. listening 5. began