Question

.--- I was lucky the win a gold medal in the800-metre race.
--- You  ____ through hard training.

A．must go

B．should go

C．must have gone

D．should have gone.

Answer 1

C

考查情態(tài)動詞。句意：我很幸運在800米長跑中贏得一塊金牌。——你一定經(jīng)過了艱苦訓(xùn)練�？芍�下文是對過去已經(jīng)發(fā)生的事情做肯定的推斷，故用情態(tài)動詞加完成時態(tài)，should have表示過去應(yīng)作而沒做的事情，故選C。