有基准地价的地区，协议出让最低价不得低于出让地块所在级别基准地价的( )。
A．50% B．60%C．70% D．80%
参考答案：C
把______扩大100倍后，再缩小10倍，结果是2.06．
Look! Tom is too sleepy to work. He _____ up watching TV. [ ]
A. mustn't have stayed
B. shouldn't have stayed
C. mustn't stay
D. ought not to say.
