单项选择：Up till now we still don't know_____ he agree with our ideasA.what B.that C.whether D.how

单项选择：Up till now we still don't know_____ he agree with our ideasA.what B.that C.whether D.how up till now Up till now有这种说法吗?Up till now是不是等于Up to now? up till now 与up to now区别 up to now和up till now有什么区别 up till now和up to now的区别jiji up till now 的意思和用法 but up till now啥意思 up to now 和 up till now 的区别up to now和up till now的区别. up till now/up until now/up to now这三个用法有什么区别求解 till（up to ）now 的用法及造句是? up till now的意思及造句是? up till now ,he never --(lend)me anything怎么填 up till ------ we think it is a miracle that they were able to do soA to this day B up till now 选哪个?新概念上面的迷糊了 英语翻译As modern Homo sapithens migrates to the online savannah,our conditions of life had been conditionally speeding up,till now we live in a world of noise. Do you think we should accept that offer?-Yes ,we should ,for we such bad luck up till nowDo you think we should accept that offer?-Yes ,we should ,for we such bad luck up till now ,and time out.A.have had .is runningB.had .is runningC.have .has been till now ,up to now,so far一样吗 用在什么时态?