答案：阶级斗争。
A. Not only
B. If only
C. Only
D. Not only was
A. 
B. 
C. 
D. 
解析：解析:
可知应选C
A. 112 Room
B. Room 112
C. the 112 Room
D. the Room 112
A. 革命
B. 政治运动
C. 改革
D. 阶级斗争
解析：解析:本题考查的是解放生产力的途径。在社会主义阶段,改革是解放生产力的正确途径。
A. enough
B. plenty
C. as much as
D. a great deal of
解析：解析:enough 修饰名词,在名词之前解析:plenty+ofAs much as 不能修饰名词A great deal of 修饰不可数名词。
A. for me to do
B. for me to do them
C. that I need to do
D. I needed doing
A. to
B. with
C. over
D. on
A. goes
B. go
C. gone
D. was gone
解析：解析:主语 the last piece of cake and the last spoonful of ice cream复数
