He asked several questions_______ the professor who gave us a lecture_______the balance of nature.
#28333
A
with; for
B
from; of
C
to; about
D
of; on
推荐题目
The situation was very dangerous; the enemies were attacking us _____.  
#27415
A
in and around  
B
from side to side  
C
on all sides   
D
on the other hand
Jenny nearly missed the flight _____  doing too much shopping. 
#28374
A
as a result of
B
on top of
C
in front of
D
in need of
35. He was born ____ a very cold night _____ December. 
#28154
A
in; in
B
in; of
C
on; in
D
on; of