问题
选择题
I read ____ books, but some of them are ____ boring. [ ]
A. kinds of; kinds of
B. kinds of; kind of
C. kind of; kind of
D. kind of; kinds of
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I read ____ books, but some of them are ____ boring. [ ]
A. kinds of; kinds of
B. kinds of; kind of
C. kind of; kind of
D. kind of; kinds of
答案：B