[单项选择]When you drive home, you can't be ______ careful.
A. very B. too C. so D. only

[单项选择]You cannot be （） careful when you drive a ear.
A. very
B. so
C. too
D. enough

[单项选择]You can't change your energy cycle, （　） you can learn to make your life fit it better
A. but                 
B. or  
C. if                  
D. so

[单项选择]You cannot be ______ careful when you drive a car.
A. very
B. so
C. too
D. enough

[单项选择]I don't know （）you think you are, but you can't talk to me that way!
A. what   
B. that
C. when   
D. who

[简答题]What will you do if you can’t find a job

[单项选择]When you travel, you can't take too much money with you.
A. 旅游时身上可以适当带些钱。
B. 旅游时不能带太多的钱在身上。
C. 旅游时身上可以带很多钱。
D. 旅游时带在身上的钱越多越好。

[单项选择]You can't drink alcohol（）you are at least eighteen years old in some states of the US.
A. if
B. unless
C. though
D. when

[单项选择]You can't let the situation get worse. You must take ______.
A. decisions
B. sides
C. directions
D. steps

[单项选择]Don’t worry if you can’t understand everything. The teacher will （） the main points at the end.
A. recover
B. review
C. require
D. remember

[单项选择]Everyone is busy working. You can't stay here（）you keep quiet.
A. when
B. once
C. if
D. unless

[单项选择]You can't park your car here （　） you are allowed.
A. when
B. before
C. once
D. after

[单项选择]You can fly to London this evening （　） you don't mind changing planes in Paris.
A. unless
B. except
C. so far as
D. provided

[单项选择]

Information is no good to you if you can’t （） it．The loction dimension of information means having access to information no matter where you are．Ideally, in other words，your location or the information’s location should not matter．You should be able toaccess information in a hotel room，at home，in the student center of your campus，at work，onthe spur of the moment while walking down the street，or even while traveling on an airplane．This location dimension is closely related to （）and wireless computing (and also ubiquitous computing)．
To keep certain information private and secure while providing remote access for employees，many businesses are creating intranets．An intranet is an （） organizational internet that is guarded against outside access by a special （） feature called a firewall (which can be software，hardware，or a combination of the two)．So，if your organization has an intranet and you want to access information on it while away from the office，all you nee
A. inside
B. external
C. inner
D. internal