The new exchange students don’t seem who for help.A. know to turnB. know to turn toC. to

问题补充：

The new exchange students don’t seem who for help.

A. know, to turn

B. know, to turn to

C. to know, to turn to

D. to know, to turn

答案：

A. know, to turn

B. know, to turn to

(答案→)C. to know, to turn to

D. to know, to turn

解析：句意：新来的交换学生似乎不知道要向谁寻求帮助。seem to do好像做……,短语turn to sb. for help向某人求助。选C。

考点: 考查动词不定式的用法。