They ......... leaving for the airport when I last saw them.

2024-01-14 03:50:26
1000道EFL基础语法练习题

They ......... leaving for the airport when I last saw them.

A.was

B.were

C.did

D.had

正确答案是2

上一篇：......... you do much sightseeing when you were on vacation in M

下一篇：I ......... forgotten to set my alarm clock, so I was late for m