______ of meat, please.Р A. half kilo B. a half kilo C. half a kilo D. a kilo halfР13. --- Is this black ruler ________?Р --- No. It's ________.Р A. yours, his B. your, his C. yours, him D. you, heР14. ________ book on the desk is a useful(重要的)one.Р A. A B. An C. The D. /Р15. Grandma is ill. We have to take her to the ________.Р A. farm B. post office C. hotel D. hospitalР16. Liu Mei often helps her mother ________ housework.Р A. does B. do C.doing D. to doingР17. We watch evening news on ________ at 7:00 in the evening.Р A. CCTV B. CAAC C. WTO D. MTVР18. There ________ a box of apples on the desk.Р A. are B. is C. has D. haveР19. Would you like ________ with me?Р A. go B. to go C. going D. goesР20. Sometimes his brother ________ TV after supper.Р A. watch B. sees C. watches D. is watching