t is not how much we do but how much love we put into ____we do____benefits our work most.
| A. That , who | B.Which, that | C.What , that | D.What, what | 
After ______silence of several minutes, he came towards her and said, “I have struggled with my feelings , but without ______success!”
| A.a; the | B.the; a | C.不填; a | D.a; 不填 | 
The future of developing countries__________ the hands of children, which is __________education and training for young people is important.
| A.lies in/why | B.is put/ because | C.is laid/ the reason | D.depends on/why | 
After hours of repair, the driver tried to start the machine but it _________ work.
| A.won’t | B.shouldn’t | C.wouldn’t | D.couldn’t | 
His room needs _______,so he must have it ________.
| A.painting ; painted | B.painted ; painting | 
| C.painting ; painting | D.painted ; painted | 
_______ difficulty we meet with, we must finish it on time, because the opportunity is_______ valuable.
| A.Whatever; such | B.However; such | C.However; so | D.Whatever, that |