Question

The teacher opened the door, came into the classroom, ________ his throat and began the lesson．

[　　]

A．clearing

B．cleaning

C．cleared

D．cleaned

Answer 1

答案：C
提示：

本句中几个动词为并列关系，表示紧接发生的一系列动作，这一点通过句中的and可以得到提示，故时态上应保持一致。