1.__________________ (直到失去健康) that people know the value of health.
2. The bag was stuffed____________________( 脏衣服)
3.___________________ (很多朋友不在), we decided to put the meeting off.
4._______________________ (给我印象最深的) were her liveliness and sense of humor.
5. There engines are___________________ (不如我们制造的那些发动机功率大) .