Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
#98906
A
upon which to base
B
which to be based on
C
which to base on
D
to which to be based on
推荐题目
The people you find most diffcult      can also be your most valuable teachers.
#96326
A
dealing with
B
to be dealt with
C
to deal with
D
being dealt with
 Victor apologized for __________ to inform me of the change in the plan.
#95309
A
his being not able
B
him not to be able
C
his not being able
D
him to be not able
. I think the house is too small ______________.
#97475
A
to live
B
to be lived in
C
to live in
D
for living
I can’t have you _____ to your mother like this!
#93151
A
talk
B
talked
C
talking
D
to talk