75. Tom and Jack often practise 　　　　　　( speak) Chinese.

74. Her father cleans his car　　　　 (two)a week．

73. His sister is very _________(help). She always helps others.　

72. There ________(be)a teacher and thirteen students in the room.

71. On Oct.31st , children knock on their 　　　　　(人们) doors.

B) 用所给单词的适当形式填空。

70. In China, people like to _________ (庆祝) the Chinese New Year every year.

68. China is a great country ________ (具有)a long history(历史).

1. My ________ (最喜欢的)food is ice cream.

67. There are eleven _________ (选手)in a football team.

66. There are eight 　　　　　(百)students in this school.

65. In summer, many s　　　 　　swim in that lake.