题目内容
— Why do you want to go to the wetland?
— _____ the different kinds of birds living there.
[ ]
A. Keeping
B. To study
C. To keep
D. Study
B. To study
C. To keep
D. Study
B
练习册系列答案
相关题目
题目内容
— Why do you want to go to the wetland?
— _____ the different kinds of birds living there.