2. Choose the option that best completes each numbered blank in the passage. (10 points)

Sleep is of great importance to our life. It provides our body time for relaxation. (6)........a good sleep at night, we wake up to be energetic and (7).............for a day of work or school. For a teenager, sleep means

the time for the body to (8)............Experts advise sleeping 8 to 10 hours a night and (9).............a one-hour nap in the middle of the day. Continual lack of sleep causes bad health problems and (10)............... a child's growth.

6.      A. Before  B. During  C. After

7.      A. keen      B. willing  C. ready

8.      A. grow     B. improve         C. lengthen

9.      A. taking   B. sleeping         C. making

10.    A. improves       B. delays   C. affects