问题
When did the manager decide to construct the theory of management — It was last month ___________ the management system suffered from a drawback.
A:when
B:that
C:which
D:where
B:that
C:which
D:where
正确答案是：
同类题型
e first met on a train in 2000, weboth felt immediately that we _____each other for years.
___ it be that is knocking at the door–It ______ be Father, but I’m not sure.
I’m sorry I______ my exercise book at home.—Don’t forget ______it to school tomorrow, please.
Justin kicked the ball into his own goalIt was _____ his stupid kick that we won the game