My wife likes to spend his holidays doing shopping, _______ I like to drink with my friends in my spare time.
此题的答案是while,请问可以填but吗?在这样的句子中but与while有什么区别?
One such idea is that fish is the best brain food. Fish is good brain food just as it is good muscle food and skin food and bone food. 这里面的as为什么不可以填because呢?