问题
选择题
There is ___________ as a free lunch.
A．not such thing
B．no such a thing
C．no such thing
D．such no thing
答案
答案：C
题目分析：原句意思，天下没有白吃的午餐。There is no such thing as a free lunch是固定用法。故选C。
点评：东西方的谚语一般都有固定的句型，平时要多阅读和积累这样的固定用法。例如：Practice makes perfect.熟能生巧。