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……
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……