it won't be bong before.不久就.
It won't be long before they arrive here.
他們不久就會到達這里
不用till那有關(guān)till的是什么句子就是這老師也讓找conj.直到…時(為止)Please wait for me till I come back.請等我回來。I sat up till she came back.我一直坐到她回來。I waited till they should return.我一直等到他們回來。He will wait till I arrive.他將等到我來。He had hardly reached the station till the train arrived.他剛到火車站, 火車就進站了。