20三大改造完成以后,我国社会的主要矛盾是()

6. General George Brown was older than ( ) in his regiment (军团).

5. Most of the students have made ( ) progress in their study of English than we first expected.

4. They say Mexico City is more populous than ( ) in the world.

3. "Ralph seems to like this country.""Yes, he is ( ) here as he was at home."

2. "It＇s six o＇clock and your father is still at the office.""I know, who else would ( ) he does?"

1. We are not ( ) to afford a car yet.

11. “I would like to register this letter.” “Please go to ( ) on your left.”

10. “Rex told me you have moved.” “Yes, into a ( ).”

9. When he was in his ( ), he got the chance to go abroad to study.

8. What date is it ? It’s ( ).