问题:
— What should we do with this passage?
— ______the main idea of each paragraph.
[ ]
A. Finding out
B. Found out
C. Find out
D. To find out
— What should we do with this passage?
— ______the main idea of each paragraph.
B. Found out
C. Find out
D. To find out
— ______the main idea of each paragraph.
[ ]
A. Finding out B. Found out
C. Find out
D. To find out
参考答案: