请问这里用by还是till?If I finish my work ( )12:00,I will have lunch with you.1.by 2.till请问这里选择by还是till?原因是?

请问这里用by还是till?If I finish my work ( )12:00,I will have lunch with you.1.by 2.till请问这里选择by还是till?原因是? 求教两道语法单选题1.The only thing I can do now is (go) on by myself.请问这里为何要选go,不选going?2.If you have time,you'd better (waiting) till he comes back.请问这里为何要选waiting,不选wait? 请问下 在C if(num%i==0) //这里的%i是什么意思呢 //还是我理解错了? pm怎么读?I'm free till 10:00pm.这里的pm一定要读出来？还是用o'clock代替？ I was bothered by (the ) mosquitos.请问这里要the 请问这里by和till为什么不能互换?我知道by是表示“在.之前”,而till是表示“到.为止”.我不懂的是,为什么下面2句,不能同时使用by和till?1.He’ll finish the work (by) ten o’clock this morning,他将在10点 1.I'm afraid we will not wait till our teacher comes back.（改错）2.If we keep ()杀wild animals.（我不清楚是填killing 还是填 kill)3.The children may这里是填will go 还是go (go)on a trip to the roo if they have enough free time.4.( i wonder if it ___rain tomorrow?请问这里是用will还是would?是不是虚拟语气?我是福建高三生,对虚拟语气很模糊,请问高人概括,感激不尽 If it _____ tomorrow,I will go there by car用isn't 还是 dosen'tIf it _____rain tomorrow，,I will go there by car if I finish my work 12,I will have lunch with you为什么用TILL 不用BYif I finish my work TILL 12,I will have lunch with you If you go by train,you can have quite (a) comfortable journey 请问一下这里为什么要用ajourney不是不可数名词吗 英语翻译should i notify (_) organization(s) one by one?逐个通知,这里应该用each,every还是all? I will ask all of you to read this article _________这里应该用in turn 还是 by turn I'm worried about （ ） I can pass the English exam.请问这里是填if还是whether,想要详细的解答不只是答案,谢谢!为什么要填if／whether,只能选一个. This is the tree(that) where I found that leave.请问,这里用where 还是that 请问虚拟语态应是“If I were he”还是“If I were him”? I shall wait till ten o'clock这里的till是什么词?这句的语法结构? 潘玮柏的If I Can’t Have You里的几个问题!潘玮柏[我的麦克风]里面!有一首If I Can’t Have You的歌!IF I CAN'T HAVE YOU,I DON'T WANT NOBODY BABY 这里的I DON'T WANT NOBODY BABY YO YES YES YALLIN TILL DA BREAK OF DAWNIN YO WILL