Betty doesn't have ______ for next weekend.
A:some plans
B:any plans
C:some plan
D:any plan
When the meeting was ________, they all ________ to their feet and left.
There is a ____ (wood) table in the middle of the room.
若关于y的方程2m+y=1与3y﹣3=2y﹣1的解相同,则m的值为( )