初中重点知识点 66-70

66. be sure of doing sth. 对做某事有信心   

67. be sure of sth.  对做某事有信心     

68. be sure that sth.  对做某事有信心   

69. be sure to do sth. 一定会做某事

We are sure to learn English well 我们一定能学好英语 

70. be terrified of + 名/ doing  害怕……

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