________ is often the sase with anew idea, more conditions should be considered
A. It
B. Which
C. As
D. That
查看答案
Silence is required in this area while an important meeting is________.
A. under way
B. under control
C. in sight
D. in danger
Tnis is a demanding task—but I see it as the real challenge we need to________.
A. face
B. solve
C. reply
D. detect
The older I get,the more I value friends, yet the________time I have in maintaining old friendship.
A. few
B. fewer
C. little
D. less
In________of speed,safety and price, the hi-railway system is perhaps the world ’smodel railway.
A. terms
B. case
C. need
D. search