Unless _____ to speak,you should remain silent at the conference.A.invited B.inviting C.being invited D.having invited为什么选A不选C,unless也可以看作是介词,后面加动名词动名词不是不表进行的吗~

He didn't seem to mind their watching TV _____ he was trying to studyA.whileB.untilC.IfD.unless the man kept silent in the room unless _____ A spoken B speaking C to speak D spoken to I can‘t follow what you say.Would you like to spea more s（ ）. Neither side is prepared to talk to _____ unless we can smooth thing over beNeither side is prepared to talk to the other unless we can smooth thing over between them.翻译 几个英语填空,朋友们帮个忙啊1.they were all saved by the cat.（改为主动句）the cat ____ all ___ _____.2.it's n_____ to feel tried after such hard work.(首字母)3.the patient is so _____ that he can't stand up.4.my mother can spea 1._____ I get another job soon ,I'm going to get into debt.A.When B.Since C.Unless D.If2.Honestly,I think i'd explode _____ I ate another thing.A unless B when C after D if3.He _____ his homework unless you stand over him and force him to do it .A di 根据首字母填空Tom,don’t be lazy.You should be h_____.The c_____ has no eyelids and it can live e_____ when it has no water to drink for a long time.根据句子用括号内词组的适当形式填空A parrot（鹦鹉）can learn _____（spea 英语翻译1.A :could I spea to mr.bank,please?B:_____,please.I’ll see if he’s in.2.could you please_____me_____ again?3.will you ___ me___later?4.the phone rang and I___ the receiver immediately.5.as soon as you say hello in the phone,___yourse unless they invite me,I won't go to the party.(保持句意不变)I won't go to the party_____ they _____ invite me. _____ regular exercise is very important.It’s never a good idea to exercise too close to bedtime.A.It B.As C.Although D.Unless Don't leave the building unless _____ to do so.A.being told B.you will told C.to be told D.told 为什么不是A, 1.You can't improve yourself unless you decide to work hard.You can't improve yourself _____ you _1.You can't improve yourself unless you decide to work hard.You can't improve yourself _____ you _____ decide to work hard.2.He doesn't know where he sh You ___________ (not,catch) the early bus unless you _____ (get) up now.I _____ (go) shopping with them if Jenny _____ (go),too.If you _____ (heat)metal ,it ______ (melt)You _______ (be) even worse unless you ______ (go) to see the doctor now. 一/32_____ a scientist is being deliberately informal,he will tend to speak like abook when he is explaining science.A.WhenB.WhileC.If D.Unless Mary is so quiet a girl that she seldom speaks in public places unless _____ to.A.is spoken B.is speaking C.speaking D.spoken We have to complete the task on time _____ we can have three days off next week.A.so that B.because C.unless D.though You won’t go to Kay’s wedding party,will you?-- Yes,_____ invited A even if B if C unless D as _____ you call me to say you're not coming,I'll see you at the theatre.A.though B.whether C.until D.unless 选什么 原因