Only after the second tower of the World Trade Centre did people know it was not an accident, but an attack of some kind.
A.had hit |
B.did fall |
C.was hit |
D.was fallen |
推荐套卷
Only after the second tower of the World Trade Centre did people know it was not an accident, but an attack of some kind.
A.had hit |
B.did fall |
C.was hit |
D.was fallen |