后定价格
参考答案:
是指在合同中不明确规定价格,具体价格留待以后确定。
)计算:(-2)+1的结果是
A.-1
B.1
C.3
D.-3
Are you feeling all right today? Not really.()
A.Oh, I see
B.It doesn't matter
C.You'd better be happy
D.I am sorry to hear that