Question

(2006年河南) I arrived at the airport ________ the plane had taken off.

[　　]

A．after

B．while

C．when

D．before

Answer 1

答案：A
提示：

提示：考查状语从句。句意为：在飞机起飞之后，我才到达机场。根据题意，I arrived at the airport是一般过去时，the plane had taken off是过去完成时。因此，“到达机场”发生在“飞机起飞”之后。