问题
选择题
I think the book is ____ and it is ____. What's your opinion? [ ]
A. useful; a help
B. of useful; helpful
C. of interest: interested
D. of use; of very help
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I think the book is ____ and it is ____. What's your opinion? [ ]
A. useful; a help
B. of useful; helpful
C. of interest: interested
D. of use; of very help
答案：A