问题
What would you do if _________ eighty-year-old man fell down in front of you? —-I don’t know. Maybe I will help him.
A:a
B:an
C:the
D:/
B:an
C:the
D:/
正确答案是：
同类题型
There are_______ seasons in a year． Winter is_________season．
I think science is more useful than art.—- I disagree. I think art is _________ science.
Only then ________ that he had lost a good chance of achieving his dream.
Learning country’s language is a better way of knowing ________ culture behind it.