问题补充：
What you he is a true friend?
A. make; think
B. makes; think
C. make; to think
D. makes; to think
答案：
A. make; think
(答案→)B. makes; think
C. make; to think
D. makes; to think
解析：主语是what，所以谓语动词make要用单三形式makes；make是使役动词，后面接动词原形，不用不定式to，即“make sb do sth
”。
