55. When we see our teachers, we should greet them 　　　　　　　(polite).

54. We are all looking forward to 　　　　　　　(watch) Liu Qian’s wonderful magic show.

53. My parents always share my 　　　　　　　(happy) with me when I am sad.

52. I have a nice pet dog. 　　　　　　(It) name is Lulu.

51. It’s hard to 　　　　　　(想象)how you worked out the problem in such a short time.

B)根据句子意思，用括号中所给单词的适当形式填空。

50. Our Maths teacher is so 　　　　　　　(随和) that he seldom gets angry with us.

49. You can read English newspapers every day to 　　　　　　　(提高)your English.

48. Would you like to have a talk with me 　　　　　　　(今晚)?

47. There are about two 　　　　　　　(千)students and teachers in our school.

A)根据括号中所给的汉语写出单词，使句子意思完整正确。

46. I will have several __________________(三明治) instead of rice for lunch today.