是Was Jack and his sister at the library? 还是Were Jack and his sister at the library?请求高手指点

Jack and his father was in beijing yesterday.过去式是用was还是were? 是Was Jack and his sister at the library? 还是Were Jack and his sister at the library?请求高手指点 翻译此句子jack went and found it .he was very happy to see his grandpa. neither Tom nor Jack and I ( ) his students.A.are B.am C.is D.was My classmates were surious about【】and his life in America.【】was jack about China Jack is his father and Bob are his brother哪个是错的应该是什么 Jack-a-Lent 原文：He was good at exhibiting the ups and downs of Jack-a-Lent in the complicated capital world in his social problem novels. The old house belongs to( ) A.jack's and his brThe old house belongs to( )A.jack's and his brotherB.jack's and his brother'sC.jack and his brother'sD.jack and his brother 英语翻译Jack Smith got his school report from his class teacher,Mr Percy Brown.Mr BrownTold Jack he was one of the best students in the class and he was never late for class.Jack was very happy to hear these words.In math classes,he was always th JACK was __ than his classmates on the stage (nerve) I was happy that u Jack has found his dog.请问这里的happy后面是个什么从句呢. 连次成句:Jack,his,is,friend,name,this,my,and,is.(是一个陈述句.2.( )is his friend and ( )is his...连次成句:Jack,his,is,friend,name,this,my,and,is.(是一个陈述句.2.( )is his friend and ( )is his brother.A:This;that B:This;he C:Those 1.完形填空 Jack London was an American writer.He was b___ on January 12th,1876,in America.His family was very poor and Jack had to leave school to make money w___ he was 12.He worked hard in many different j___.Later Jack went to school again.He 1.John and Jack （ ）best friends1John and Jack （ ）best friendsA.isB.amC.areD.was At the meeting nobody would be the first to give his opinon and it was Jack who broke the ( ).填s开头的单词 Look!Jack and his monkey__flying disk together in the garden now.A.is playing B.was playing C.are playing D.were playing Look, Jack and his monkey games together in the gardenA is playing B was playing C are playing D were playing Jack and his brother＿（play）this Sunday.