问题补充:
单选题Choosingamobilephoneforpersonaluseisnotaneasytaskbecausetechnology________sofast.A.has changedB.would changeC.changedD.is changing
答案:
D
时间:2018-08-25 05:32:32
单选题Choosingamobilephoneforpersonaluseisnotaneasytaskbecausetechnology________sofast.A.has changedB.would changeC.changedD.is changing
D