问题
In a sports team each player has a clear role，and there are few occasions ________members are confused or uncertain about their roles.
A:whose
B:that
C:when
D:which
B:that
C:when
D:which
正确答案是：
同类题型
___ _ you reading at this time yesterday — No, I was ___ _ .
look rather down today. —______ to board the 4:20 flight, you know, I dared not close my eyes.
The man _______you played a trick is from Canada.
Why not join us in the game, Joe? —________, but I have to finish reading thebook first.
What do you think of the report — It’s so ________ that I fell asleep in the half.