问题补充:
The knowledge that his friends have deserted him is a (n) pill for Mr. Smith to swallow.
A. extra
B. common
C. bitter
D. effective
答案:
A. extra
B. common
(答案→)C. bitter
D. effective
解析:考查形容词:A. extra额外的,B. common普通的,C. bitter痛苦的,D. effective有效的,句意:知道朋友抛弃了他是斯密斯先生吞下的苦药。选C。