Susan was reading a newspaper on the train_________ a strange old man come over.
#55968
A
when
B
while
C
before
D
after
推荐题目
We have to start at 7:15 tomorrow morning, we will be late for the 9:40 plane.
#55158
A
or
B
so
C
if
D
before
Bob promises to join in the football match ________ he has to help his parents on the farm.
#57054
A
if
B
as
C
unless
D
when
It’s _____ hard problem for the twins that ____ of them can work it out.
#58003
A
so; neither
B
such a; neither
C
so a; neither
D
such a; none
