Some people won't realize the importance of their friendship ________ they lose it．（ ）
| A． |
after |
B． |
when |
C． |
until |
D． |
as |
I think desktop computers work better than notebook computers．
_______． In my opinion， notebook computers work better．（ ）
A．That's just what I was going to say
B．I'm a bit surprised you said that
C．Oh， I'm sorry to hear that
D．Don't worry about it
Are you going camping this weekend？
I'm not sure ________ the road to the mountains will be closed because of the heavy rain．（ ）
A．thatB．whyC．whetherD．which
What is it that smells so terrible， Ted？
I'm sorry I will _______ my socks and put them in the washer．（ ）
A．take offB．give outC．put upD．keep away
What's the result of my driving test？
You didn't reach the required standard． __________， you failed．（ ）
A．In the endB．After all
C．In other wordsD．At the same time
How are you getting on with your work？
I can't do it _______ any longer． I'll have to get help（ ）
A．hardB．quietlyC．simplyD．alone