I never know this         he tells me.
#56807
A
after
B
when
C
while
D
until
推荐题目
It _______ them two weeks _______ the computer last year.
#58490
A
takes; to work on
B
spends; working on
C
took; to work on
D
spent; working on
Jack spends much money on hooks he is not so rich.
#58291
A
though
B
when
C
if
D
because
John fell asleep         he was listening to the music.
#56900
A
after
B
before
C
while
D
as soon as