题目

 We have sold _____ the trousers _____ your size.A. out, in B. off, with C. away, of D. on, in 答案： A.下列说法正确的是A.0无相反数，也无倒数B.整数的相反数是整数C.+（-1）的相反数是-1D.数轴上原点两侧的数互为相反数