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
— do you have an Art Festival in your school? —Once a year.
#56324
A
How long
B
How often
C
How far
D
How soon
______ you have nothing important to do, why not come with me to the cinema?
#57941
A
Since
B
When
C
For
D
Because
------You are leaving for Beijing Please send me a postcard _________ you are there.------No problem.
#55621
A
if
B
while
C
although
D
because
He realized his mistakes and took action to reduce the loss _______ it was too late.
#56725
A
until
B
when
C
before
D
as