Question

The students are ________ the coming test while the teachers are ________ the test papers．

[　　]

A．preparing; preparing for

B．preparing for; preparing for

C．preparing for; preparing

D．preparing; preparing for

Answer 1

答案：C
解析：

显然，学生们在备考，老师们在出试卷。“为……作准备”用prepare for sth．，而“准备某事物”是prepare sth．。