Some students even have no idea of they are studying, so they are aimless most of the time.
#30606
A
who
B
when
C
where
D
why
推荐题目
(2010·福建)The girl had hardly rung the bell ________ the door was opened suddenly，and her friend rushed out to greet her.
#30449
A
before
B
until
C
as
D
since
A number of high buildings have arisen _______ there was nothing a year ago but ruins.
#32241
A
when
B
where
C
before
D
until
Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
#33827
A
since
B
after
C
unless
D
before
.____the meeting should last two days or three days doesn’t matter.
#34677
A
That
B
Whether
C
If
D
Where
______ time went by , Herbert could finish all the maths exercises in class.
#31593
A
With
B
As
C
while
D
Since