90．　Is she making a cake?　(作否定回答)　　　 , she 　　　 ．

89．The twins are going to Hong Kong the day after tomorrow．(改为一般疑问句)

　 　　　　 the 　twins 　　　 to Hong Kong the day after tomorrow?

88．He has a medium build． (对划线部分提问)

What does he 　　　 　　　　　　 ?

87．They often play basketball on Saturdays and Sundays．(改为同义句)

They often play basketball 　　　　　　　　　．

86．They are waiting for Jim at the school gate．(对划线部分提问)

　　　　　 　　　　　they waiting for Jim?

85．The Smiths want　　　　 (live) in China．

84．We’ll go to the park if it　　　　 (not rain) tomorrow．

83．I usually have lunch at home．But yesterday I　　　　 (have) lunch at school．

82．Meimei usually　　　　 (get) up at 6:00 in the morning．

81．Listen! The girl　　　　 (sing) in the room．