问题
选择题
_____ is a pen. _____ are books. [ ]
A. This; This
B. These; This
C. This; These
D. These; These
答案
答案：C
搜题请搜索小程序“爱下问搜题”
_____ is a pen. _____ are books. [ ]
A. This; This
B. These; This
C. This; These
D. These; These
答案：C