Question

The little boy felt grateful ________ the coach for his letting him ________ the game.

A．for / join in

B．to / to join in

C．with / join

D．to / join in

Answer 1

D

对某人表示感激可用feel grateful to sb，使役动词let后跟动词原形作补语，加入比赛或具体的活动用join in，故本题选D。