There were dirty marks on her trousers _______ she had wiped her hands.
#72892
A
where
B
which
C
when
D
that
推荐题目
 As ________ , they were waiting for us at the airport.
#72523
A
plan
B
planning
C
being planned
D
planned
I decided to pay a visit to my former teacher as soon as I ____.
#73176
A
finish what I did
B
finished what I did
C
would finish what I was doing
D
finished what I was doing