Although China has developed its economy greatly, its per capital GDP is still         
one-tenth of the United States.
| A.slightly | B.separately | C.originally | D.roughly | 
There is a growing______for people to work at home instead of in offices.
| A.tendency | B.aim | C.intention | D.situation | 
---So can I ask you a few personal questions?
 ---No problem. I like ________ when people are open and direct.
| A.that | B.this | C.it | D.them | 
From the teacher’s patience and understanding, I have learnt what a big responsibility______is to educate us.
| A.this | B.that | C.it | D.one | 
IOCC Rogge has expressed that the Olympics is _____ wonderful event and he isn’t worried about______air quality in China.
| A.the;a | B.a;不填 | C.the;an | D.a;the | 
--- I don't think I will be able to go with you after all
 --- _______ You are always staying at home!
| A.I don’t agree. | B.What a pity! | C.Suit yourself. | D.How come? |