Jeff is flipping a coin,what is the probability that he will throw heads on each of the tow flips

Jeff is flipping a coin,what is the probability that he will throw heads on each of the tow flips jeff is the_____boy in our class.A.TALL B.taller C.tallest D.thetaller答案是 -_ is Jeff going for his vacation?-Shanghai.A.How B.What C.Where D.When -------- is jeff going with for his vocation a.how b.what c.where d.who -------- is jeff going with for his vocation a.how b.what c.where d.who What is Jeff Brown? Bob is parents have a child.But the child is neither his sister nor his brother.Who is the child?A.Jeff B.Tom C.Bob D.Alice Who is not here,Lily?---_____ B ____.--- __________?---- He is fine now.A.It’s Jeff; How areA.It’s Jeff; How are you,Jeff B.Jeff is at home; How about youC.Jeff is; How is he D.I’m on duty today; Is Jeff all right 排列组合 Flipping a fair coinFlipping a fair coin.Assume that the coin is flipped 7 times.What is the probability that both heads and tails occur?Thank you~ 英译汉Inadvertently flipping through mobile phone,a lot of things like happened yesterday,just hair is getting too long,some things can't in the past? ——（ ）I know your name?——Yes,my name is Jeff Green.A.May B.Will C.Shall D.Must如题. —Is this Jeff?—No,___.A.she isn't B.he isn't C.it isn't D.I am not when is your birthday,jeff? Flipping heck! 1.Jeff is___hard-working than Jack.A.much more1.Jeff is___hard-working than Jack.A.much more B.more muchC.very more D.quite more2.There___a birthday party with lots of interesting games tomorrow evening.A.has B.will have C.is going to be.D.is going t 1.Jeff is___hard-working than Jack.A.much more1.Jeff is___hard-working than Jack.A.much more B.more muchC.very more D.quite more2.There___a birthday party with lots of interesting games tomorrow evening.A.has B.will have C.is going to be.D.is going t Jeff is wearing a blue sweater today 的同义句是什么Jeff__a blue sweater today 填空 Jeff is wearing a blue sweater today 的同义句是什么