问题
选择题
—Do you know _ I can pass the exam?
—Sorry, I've no idea. [ ]
A. that
B. whether
C. what
答案
B
搜题请搜索小程序“爱下问搜题”
—Do you know _ I can pass the exam?
—Sorry, I've no idea. [ ]
A. that
B. whether
C. what
B