问题
选择题
---Where were you when I called at your house this morning?
---Oh, I_____ for a friend from Tokyo at the airport．
A．had waited
B．am waiting
C．have waited
D．was waiting
答案
答案：D
搜题请搜索小程序“爱下问搜题”
---Where were you when I called at your house this morning?
---Oh, I_____ for a friend from Tokyo at the airport．
A．had waited
B．am waiting
C．have waited
D．was waiting
答案：D