85. ---Where is Ricky?

　 ---Look! He ______________the finishing time of the runners over there.

84. I’m very happy that my dad _______________to buy a new bike for me.

83. Don’t worry. I ____________ the question to you soon after I am free.

82. I have grown up, but my dad still __________me as a child.

81. Where I got home, my parent _______________curtains in my bedroom.

80. ---Who ___________America in 1492?

　 ---Columbus did.

79. ---Excuse me, whose cameras are these?

　 ---They’re those _______________.

C．请根据句意从方框中选用合适的动词，并用其适当时态填空，使句子通顺。(每小题1分，共6分)

　　　　　 hang　 promise　　 discover　　 record　　 treat　 　explain　

78. It’s very hard for him to make an important ___________by himself.