In rencent years, China and the USA have been a lot of_____of views about the same problem. 
#7360
A
replacements
B
transformations
C
changes
D
exchanges
推荐题目
 He is ______as a leader but he hasn’t__________ in teaching.
#6949
A
success; many experiences
B
a success; much experience
C
great success; an experience
D
a great success; a lot of experiences
It’s a teacher’s _____ to make children learn.
#7292
A
matter
B
affair
C
business
D
event
 He had ______ in finding Mr. Green’s house.
#6721
A
many difficulties
B
many difficulty
C
much difficulties
D
much difficulty