what if they__(not come).

what if they__(not come). The siencists are famous for what they__ If not So what 译 What if 和What about、Why not的区别_____ you join us for lunch?A.What about B.What if C.why D.Why not ---------------you join us for lunch?A what about B what if C why D why not We'll have a trip ____ it rains tomorrow.A,ever if B,what if C,aif D,if not Do you know ()they enjoy it or not?A if B whether C how D what we will go hiking ( ) it is very cold tomorrow A even if B what if C as if D if not The children____(not pick)apples now,they__(taste)them if not what是啥意思? 英语翻译：What if not the driver? what are David and Mary doing?---They__(have dinner) 8._______ somebody had told us,we could have warned you.A.If only B.Only if C.Not only D.What if _really matters is not whether you succeed or not,but rather whether you'll try or not,A whether B what C if D which最好解释一下 -That's not what life is about!You only have an eye for money.-____ I've not changed towards you.A.So what?B.If so.C.What if?D.How come?选 哪个?为什么?怎么翻译? I have not decided_______to join you yet.A.if B.what C.which D.whetherI have not decided_______to join you yet.A.if B.what C.which D.whether详尽讲解 I am very shy .(A.what if B.how C.if D.what)i do not know anyone at the party 选哪个I am very shy .(A.what if B.how C.if D.what) I do not know anyone at the party? I am not interested in ____ you like the plan.Awhether Bmay be C what D if