问题
填空题
用所给单词的适当形式完成句子
1. Children should know the (safe) of the travel.
2. I tried every (treat) the doctor suggested.
3. Don't make the baby (laugh) all the time.
4. You are supposed (shake) hands in China.
5. We were told (not smoke) here.
答案
1. safety
2. treatment
3. laugh
4. to shake
5. not to smoke