Question

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

[　　]

A．a(chǎn)fter

B．while

C．when

D．before

Answer 1

答案：A
提示：

提示：考查狀語從句。句意為：在飛機起飛之后，我才到達(dá)機場。根據(jù)題意，I arrived at the airport是一般過去時，the plane had taken off是過去完成時。因此，“到達(dá)機場”發(fā)生在“飛機起飛”之后。