In my opinion it was really a great for her to be pleasant to people she didn’t like.A.

问题补充：

In my opinion, it was really a great for her to be pleasant to people she didn’t like.

A. trouble

B. effort

C. sorrow

D. horror

答案：

A. trouble

(答案→)B. effort

C. sorrow

D. horror

解析：考查名词。A麻烦；B努力；C悲伤；D荣誉。句意：依我看，让她不喜欢的人愉快，对她来说是真的很大的努力。