四、选择答案

1.(B)at 2.(B)ours

3.(D)Although 4.(c)with

5.(D)pair 6.(C)have been opened up

7.(D)like 8.(A)is it 9.(A)Lesson Twelve 10.(B)as big as 11.(C)None 12.(C)saying

13.(B)expect 14.(A)would rather 15.(D)neither do I 16.(D)turning down 17.(C)without 18.(A)up

19.(B)do 20.(C)so kind as