How long do you suppose it is ___________ he arrived there?
#31461
A
when
B
before
C
after
D
since
推荐题目
_____ 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
— What do you think about that firm’s job offer ? —I have been considering it, it’s hard for me to make a decision right now.
#32508
A
and
B
but
C
so
D
otherwise
I have no idea ______ the journalist could have got his information from.
#33450
A
that
B
why
C
why
D
where
The professor, _____ some of his assistants, _____ to attend our discussion this afternoon.
#32789
A
and; is
B
as well as; is
C
or; are
D
except for; are
It will be at least three weeks________ he recovers from his illness and returns to work.
#31963
A
before
B
when
C
since
D
after