问题
选择题
—Where are the pens?
—Sorry, I ________. [ ]
A. not know
B. know not
C. don't know
D. not do know
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Where are the pens?
—Sorry, I ________. [ ]
A. not know
B. know not
C. don't know
D. not do know
答案：C