How many times ......... your travel documents checked before you boarded the airplane?
A.was
B.were
C.did
D.had
正确答案是2
How many times ......... your travel documents checked before yo
- 2024-01-14 03:50:27
- 1000道EFL基础语法练习题
How many times ......... your travel documents checked before you boarded the airplane?
A.was
B.were
C.did
D.had
正确答案是2