题目内容:
Too much fast food is bad for us. We should only have it _____.
A.all the time
B.from now on
C.at the moment
D.once in a while
参考答案:
答案解析:
Too much fast food is bad for us. We should only have it _____.
A.all the time
B.from now on
C.at the moment
D.once in a while