问题
选择题
—What's this?
—It's ________.[ ]
A. pencil
B. a pencil
C. pencils
D. three pencils
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—What's this?
—It's ________.[ ]
A. pencil
B. a pencil
C. pencils
D. three pencils
答案：B