55.it→which 56.去掉had
53.√ 54.A→One
51.1ate→later 52.did后加not
49.very→so 50.√
47.moved→moving 48.sons→son
1-5.DDBBA 6-10ACCDD 11-15 ADCBB 16-22 DBCABAC_
20. A cook will be immediately f______(开除) if he is found smoking in the kitchen.
Keys of UNIT 1-2
19. He is a r_____________ (可信的)man; he never tells lies.
18.He is a well-i_______________man.(消息灵通的)