---How amazing it is that astronauts are exploring outer space!----- It’s a challenge, I guess,         man against nature. 
#28992
A
of
B
for
C
by
D
about
推荐题目
It comes as no surprise that many parents walk along their young children ____ their safety.
#25207
A
in search of
B
in place of
C
for fear of
D
for lack of
_____ fire, all safety rules must be kept clear.
#26080
A
In place of
B
Instead of
C
In case of
D
In spite of
The building was named Ford Hall________ a man named James Ford.
#25903
A
in place of
B
in celebration of
C
in memory of
D
in favor of
 The tiger, once a __    __ animal to humans, is now ____ of disappearing on the earth.
#25994
A
dangerous, danger
B
dangerous, in danger
C
in danger, in danger
D
danger, in danger