问题
There are many volunteers _________ are helping the children in Sichuan.
A:which
B:when
C:who
D:why
B:when
C:who
D:why
正确答案是：
同类题型
He often helpsme _____ my biology. [ ]
The moonlight goes _______ the window and makes the room bright. [ ]
What are you doing here now? —- I’m thinking _________ chatting with my good friends.
I am not going to the amusement park. - .
Shanghai is bigger than ________in Jiangsu and bigger than ________in China.