80.原来她是偷了我戒指的小偷。

It________________________ that she is the thief___________________________________________ .

79.  穿绿色的衣服使我感到有足够的精力做任何事情。

Wearing green___________________________________________________ do anything.

78.  那时候，爷爷别无选择，只能把自己的房子卖了。

At that time, Grandpa___________________________________________________ .

77.  这个句子可以被划分为三个部分。

This sentence__________________________________________________ three parts.

76.  我想你准是将我错认为别人了。

I think__________________________________________________________________ .

74.  He seemed to have difficulty_______________ (control) his actions.

73.  Have you______________  (deal) with the problem?

72.  While other children of his age were playing games and having fun, Lang Lang______ (practise) the piano.

71.  The place was crowded. Mr. Brown didn't know where      (park) his car.

70.  If you___________ (succeed) complete a difficult task, you'll be more confident.