7、;选项D是现在完成时。再结合语境进行分析,最终判断出最佳答案。6.【2018·江苏】31.Hopefully in 2025 we will no longer be e-mailing each other,for we_______moreconvenientelectroniccommunication tools by then.A.havedevelopedB.had developedC.will have developedD.developed【答案】C【解析】考查时态。句意:希望在2025年,我们不再