There are many volunteers _________ are helping the children in Sichuan.
#42900
A
which
B
when
C
who
D
why
推荐题目
I have a friend _______ is training for the Olympics.  
#43066
A
who
B
whose   
C
what   
D
where
There ______ lots of bad information which is not ____ for teenagers on the Internet.
#42692
A
seem to be; suitable
B
seems to have; fit
C
seem to have; fit
D
seems to be; suitable
The teachers     came for a visit are foreigners.
#43179
A
who
B
whom
C
whose
D
which
The factory­­­­­­________ we visited yesterday was the one _______ I once worked.
#42787
A
where; which
B
which; which
C
which; where
D
where; where