81. Remember to ___________ (敲) on the door before you come into the classroom.
82. Of all the ___________ (节日), I like Halloween best.
83. Eating too much candy is not good for your __________(牙齿).
84. This basketball is very ____________（昂贵的）.
85.The apple juice _____________(有…的味道) good. May I have some more?
86. The shoes under the bed ____________ (be) my sister’s.
87. Does he often practise_____________ (play) the piano after school?
88. He usually makes us _______________ (get) up quite early.
89. Daniel swims (two) a week, so he is healthy.90. Thank you for (chat) with me today. I feel better now.