Question

What      you      he is a true friend?

A．make; think

B．makes; think

C．make; to think

D．makes; to think

Answer 1

B

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 
”。