问题
选择题
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
答案：C
题目分析：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。