【单选题】He cannot be tired _______ he has walked only half a mile.
【判断题】三角形螺纹、管螺纹用于传动,梯形、锯齿形螺纹用于连接。( )
【单选题】Every time Louis is tired, he's edgy. He's edgy today, so he must be tired today.
【单选题】Why does the man like to be a park ranger?
A.
Because he is tired of being an actor.
B.
Because he can have more free time.
C.
Because he likes to be in the open.
D.
Because he loves working in parks.
【单选题】按屋面雨水汇集方式,外排水系统系统可分为( )。
【单选题】Be quiet, please! Your grandfather _ in the room. He is tired. [ ]
【单选题】Let him______a rest. I think he must be tired after the long walk.