问题
选择题
The little girl was afraid of having her bad tooth pulled out. The dentist tried hard to put her _____________.
A．at last
B．at hand
C．at ease
D．at least
答案
答案：C
题目分析：短语辨析。A最后，终于；B在手边，在附件；C自在，安心；自由自在；D至少；句意：那个小女孩害怕拔牙。所以牙医努力让她安心。故C正确。
点评：本题考查了介词at的短语辨析。要根据上下文的语境来进行短语的词义辨析。