(   ) 10. Cindy’s father is as       as her mother.

   A. busy   B. busier

   C. busiest   D. the busiest

(   ) 9.        is the population of China?

   A. How many   B. How much

   C. What       D. When

(   ) 8. Don’t       .  I’m sure you can do it well.

   A. fall down   B. set off

   C. give up   D. break down

(   ) 7. It’s dangerous       the big tree.

   A. climbing   B. climbs

   C. to climb   D. climbed

(   ) 6. Tina,don’t stay at home for long. Now let’s go out to       fresh air.

   A. take off   B. take down

   C. take after   D. take in

(   ) 5. Lily’s grandfather was ill yesterday,and she      him in the hospital.

   A. took away   B. kept away from

   C. took care of   D. kept out

(   ) 4.        I know,we’ll go hiking next week.

   A. As for   B. As far as

   C. As good as   D. As well

(   ) 3. Stop        a rest if you’re tired.

   A. having   B. to have

   C. had   D. has

(   ) 2. Jenny taught me        the camera.

   A. what to use   B. how to use

   C. how could I use   D. how can I use

(   ) 1. The black one is        of all the pens.

   A. cheap   B. cheaper

   C. cheapest   D. the cheapest