if you will sit down quietly,it may alight upon you.为什么要加will?

if you will sit down quietly,it may alight upon you.为什么要加will? ask if you can sit down for a family meeting to talk about them翻译 if i got down on one knee,will you say If you get lost ,this is what you should do sit down and stay where you are you ------- sit here if you like.A will B must C need D may If you sit in front ,you will see clearly.(改意思相同） Sit down,Emma.You will only make yourself more tired,keeping on you feet.keeping on you Your body,and stomach _______,will be very grateful if you just sit down for a moment instead of rushing around after eating.A.in secret B.in total C.in general D.in particular If you sit in front,you will see clearly的同义句句式是-----in front，-----you will see clearly 为什么If you sit in front,you will see clearly.可以转换成 Sit in front,and you will see clearly. you can sit down here.改为祈使句 you can sit down here改成命令句 if you try to sit on two chairs,you wif you try to sit on two chairs,you will fall____them.A.between B.under C.among D.into Boy:Is this seat ernpty?Girl:yes,and this one well be if you sit down.求翻译 I ask you to sit down --- table ,not to sit down---the table.I ask you to sit down --- table ,not to sit down --- the table.填介词 If you know the world is upside down without you You will not escape. 英语初三补全对话,求专业求解答空格内填单词或短语!（Tom为T,Mom为M）T：Mon,can I go out to play?M:If you've____①T：I will finish it laterM:No Just sit down and finish it now.You'd never go out toplay if I didn't ask you,__ If you try to sit on two chairs,ypu will fall into them.If you try to sit on two chairs,you will fall into them.For life,you must choose one chair.z中文意思是什么？