Edison asked his father why the hens could hatch eggs ___he couldn’t.
#33835
A
as
B
and
C
when
D
while
推荐题目
Ray is a new graduate, and it seems that he has difficulty in dealing with ________ problems arise.
#30807
A
whichever
B
whenever
C
whatever
D
wherever
Many people are not fully aware of the damage that it does to their health. This is ____ we chose this picture as our logo.
#29948
A
that
B
because
C
why
D
for which
—My son is addicted to computer games. He is hopeless, isn't he?—Yes, _____ he is determined to give up and start all over.
#31438
A
if
B
when
C
even if
D
unless
It was quite a long time ______ I figured out what had happened to the manager.
#30771
A
after
B
before
C
when
D
since