A good teacher must be able to hold his students’ attention ____ he reaches the end of the class.
#31352
A
when
B
after
C
until
D
unless
推荐题目
Many teenagers say that _____ they have a lot of friends, they really have no best friend.
#32317
A
when
B
while
C
if
D
because
______, but he insisted that he _____ to school ．
#33820
A
Though he was ill , went
B
He was ill, go
C
Having been ill, should go
D
Having been ill , went
___ you have finished your homework, you can go and play with your friends.
#32813
A
As if
B
So that
C
Even if
D
Now that
With the development of science,a computer is to a manager_______a gun is to a soldier.
#80072
A
as
B
what
C
that
D
when
I thought her nice and honest _________ I met her.
#30644
A
the first time
B
for the first time
C
first time
D
by the first time