We were going out for a walk ________ it began to rain.
#31841
A
while
B
before
C
as
D
when
推荐题目
The reason he is late is there was a breakdown on the railway．
#32671
A
why; that
B
because; that
C
that; because
D
why; why
_____ we choose healthy food for our main meals, we probably still need to exercise now and then.
#79788
A
Unless
B
As though
C
Until
D
Even if
____________ modeling business is by no means easy to get into, the good model will always be in demand.
#31750
A
While
B
Since
C
As
D
If
_______he has got a chance, he might as well make full use of it.
#32989
A
Now that
B
Although
C
As soon as
D
After
Scientists say it may be five or six years _______ it is possible to test this medicine on human patients.
#33536
A
since
B
after
C
before
D
when