Question

1.Taking exercise helps us ________ ________ ________ ________ and keep a clear mind. (增强体质）

2.Success ________ ________ (需要）hard work.

3.They just ________(执行）the order as they were told.

4.He succeeded ________ ________ ________ ________ his health. (以……为代价）

5.________ ________ ________（和……一样）other students, Tom is seldom late for school.