I wish to thank Professor Smith, without ______ help I would never have got this far. 
#75344
A
who
B
whose
C
whom
D
which
推荐题目
Is this the hotel _____ you said we were to stay in your letter?
#77744
A
where  
B
which     
C
in that
D
in which
The school ____ we visited last week is the one ____ the singer was born.
#77495
A
where, where
B
where, which
C
which, where
D
which, that
Without facts, a person can not form a correct opinion, for he needs to have actual knowledge ______his thinking .
#76203
A
on which to be based
B
on which to base
C
which to be based
D
which to base