问题
选择题
Have they finished their homework __________?
A．too
B．yet
C．already
D．either
答案
答案：B
yet，表示还的意思，用于一般疑问句，故选答案为B
搜题请搜索小程序“爱下问搜题”
Have they finished their homework __________?
A．too
B．yet
C．already
D．either
答案：B
yet，表示还的意思，用于一般疑问句，故选答案为B