.Manufacturers should have professional productivity and technical knowledge to ______ the quality of the products. 
#73110
A
predict
B
promise
C
guarantee
D
determine
推荐题目
What he said at the meeting suggested that he      with us.
#66389
A
didn't agree.
B
Shouldn't agree.
C
not agree
D
should agree
Lack of money __________ her not continuing her studies.
#72825
A
explains to
B
cares for
C
approves of
D
accounts for