题干
—Did you meet the editor at the airport?
—No, he _______ away. I guess he’s in danger.
—No, he _______ away. I guess he’s in danger.
A：has drive
B：had drive
C：has been drive
D：had been drive
答案(点此获取答案解析）
D
)为其终边上一点，且cosα＝
x，则sinα的值为( )