问题补充:
单选题Choosingamobilephoneforpersonaluseisnotaneasytaskbecausetechnology________sofast.A.has changedB.would changeC.changedD.is changing
答案:
D
时间:2019-07-01 04:36:40
单选题Choosingamobilephoneforpersonaluseisnotaneasytaskbecausetechnology________sofast.A.has changedB.would changeC.changedD.is changing
D