在平面直角坐标系中，直线y=x+1经过 [ ]
A.第一、二、三象限
B.第一、二、四象限
C.第一、三、四象限
D.第二、三、四象限
答案：A
When I hurriedly got to the airport, the lady at the window told me that there were no _____ left on that plane. [ ]
A. places
B. seats
C. space
D. room
库存
