where is your father?He (has gone to) Shanghai on business

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• 亲们快来~几道时态填空题/这一课的题目是现在完成时.1时态填空：1）There____________(be)great changes in Shanghai during the past decade.Shanghai _________________(become)more and more beartiful .2)The German engineer ___________________(collect)a lot of Chinese stamps since he came to China,for he _________________(appreciate)Chinese history and culture2用have/has been (to) ,have/has been in ,have/has gone to 填空Where is Sara?She_____1_____Australia.Sounds great.___2_she ________2____
• My father has gone on business.He___in a week.我要原因,A.came back B.come back C.will ba back D.coming
• 9.My father has gone on ________.He has three __________ (busy).10.This is an __________ (organize) to doante money to poor areas.11.Thank you for your ________ (kind).12.Do you like this _________ (collect) of short stories?13.The boy is afraid of his father’s __________ (punish).14.The girl didn’t get married because of her ________ (ugly).15.Peter didn’t go to school because of his _______ (ill).16.Japan is a _________ country,but China is a ______
• Where is Li Lei?He Shanghai.A.has gone to B.has been to C.went toD.goes to
• My father __ ___ ___Shanghai.He has already come back .A.has gone to B.has
• --Where is your father?He( has gone to ) Foshan.
• --Where is your father?--He to Australia on business.A.has been B.has gone C.went D.will go
• -Where is your father going?-He wants to （ ） for Shanghai.
• My father isn't in.He____to Beijing on business last week.A has been B went C has gone D goes 标准答案是B，我选的是C为什么选B把过程写详细
• 九年级英语选词填空 how soon how long1.____ _____will Lucy finish writing an E-mail?2.____ _____have you been in Jiaxing?been to gone to been in3.Where's your father?He______Shanghai.He'll be back next week.4.Meimei is away.She with her mother____to Jingpo Lake for a holiday.5.I____this city for a few year.else other6.What____do you want?7.I can't do___things on Sundays.8.Can you do anything____to help us?9.Some students are reading books,____students are writi
• 一、运用三段论的一般规则检验下列三段论推理是否有效,若无效请指出违反什么规则.1.凡是近视都带眼镜,张教授带眼镜,所以,张教授一定近视.2 劳动模范要起带头作用,我不是劳动模范,所以,我不用起模范带头作用.3 有些人是懦夫,有些人是懒汉,所以游戏懦夫是懒汉.4 海豚不是鱼,海狮不是海豚,所以海狮不是鱼.5 并非所有的道德风险都能转嫁,个人信誉风险是道德风险,所以个人信誉风险不能转嫁.二、运用形式证明方法证明下列推理是有效的1、A→B∨C,B├ A →C ;2、A∧B →（A→D∧E）,A∧B∧C├ D∨E；3、A∨B→C∧D,C ├ B ；4、A∨（B∧C）,(A→D) ∧（D→C）├ C ;5 A∧B→C,C→D∨E,E→F,D∧?F ├ A .三、运用解释的方法证明下列谓词公式不是普效式.1.x(Ex→Gx),x(Ex→Fx) ├ x(Fx→Gx)2.R(a,b),R(b,c) ├ R(a,c);3.x(Fx∨Gx) xFx∨?xGx;4.xFx∧?xGx→?x(Fx∧Gx)5.y(Sx→Py
• 形式逻辑课本习题甲、乙、丙、丁四个孩子在周某家做游戏,他们中有一个不小心把周某家的花盆打碎了,但是谁也不承认.甲说：是丙打的；丙说：甲说的不是事实；乙说：不是我打的；丁说：是甲打的.已知四个孩子中只有一个说的是假话,说真话的是（） A.甲 B.乙 C.丙 D.丁不好意思,打错了.应该是四个人只有一个说真话,问说假话的是谁