Some people won’t realize the importance of their health _____they have lost it.
#56772
A
after
B
when
C
until
D
as
推荐题目
Oliver still bought some goldfish ________he found it difficult to raise them.
#58215
A
because
B
since
C
though
D
until
They will not start the work _______ their teacher comes back.
#58093
A
while
B
until
C
as soon as
D
if
It Yang Liwei about 21 hours the earth 14 times in his spaceship.
#57516
A
spent; circling
B
took; traveling
C
spent; to travel
D
took; to circle