51. Are there __________(some) water in the bottle?　　 52. Whose key is this? It ‘s not __________(me).

50. Grandma Zhang is about __________(six).

49. Mr Wu is a teacher. __________(he) student Helen is with him.

47. The policemen ‘s __________(wife) sit under the tree.　　 48. We ‘re all __________(China).

46. Can you pick __________(they) for me, please?

45. I like __________(watch) TV at home in the evening.

44. David __________(go) to school at 7:00 every morning.

43. He __________(see) a Beijing opera show tomorrow.

42. What ‘s __________(she) favourite subject?

41. __________(do) you visit your grandma last week? No, I __________(do).