82. My sister[A] is seeing[B] a[C] book[D]. 　　83. Look[A]! The boys[B] are playing[C] the football[D] now.

80. Which watch[A] is your[B]? The small one[C] is mine[D]. 　81. Oh[A], thanks you[B] very much[C], Lucy[D].

78. This supermarket is opening 24 hours.. 　　　　　79. My friend[A] is[B] a English[C] teacher[D].

76. There are[A] some birds[B] on[C] the tree[D]. 　　77. One of the books are yours.

75. Look! The boys ______ (play) football over there.

73. It's time ______ (go) to school. 74. Let me ______ (clean) the blackboard.

71. There ______ (be) some new chairs in the room. 72. What ______ Li Nan ______ (do) now?

69. Lily ______ (be) a middle school student. 70. ______ (take) these books to the classroom, please.

68. Can you play basketball? (做否定回答) ______, I ______.

67. There are some cups on the table. (改为一般疑问句)______ ______ ______ cups on the table?