题目内容

IP地址的主要类型有几种：（）

A. 4
B. 5
C. 6
D. 7

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Although a teenager，Fred could resist__________ what to do and What not to dO．

A. being told
B. telling
C. to be told
D. to tell

It is high time that such practices。．

A. are ended
B. be ended
C. were ended
D. must be ended

Putting in a new window will__________ cutting away part of the roof．

A. include
B. involve
C. contain
D. comprise

__________ the interference from the local residents，the delegation would have caught the train bound for Edinburgh．

A. Due to
B. Except for
C. In caffe of
D. But for