He is Jim from Class One,Grade one.He is Jim who is from Class One,Grade one.请问为什么第一句中的关系词和谓语可以省略?

He is Jim from Class One,Grade one.He is Jim who is from Class One,Grade one.请问为什么第一句中的关系词和谓语可以省略? Jim is an ____ boy.He is popular in our class.We all like him. Jim hardly spesks English after class,for he is afraid of make mistakes. Tom is a boy of eight .He and Jim are in the s( ) class .Jim is good at maths .But Tom is not a good student .He doesn't like to go to school.He can o( ) count from 1 to 10 .知道的请帮忙下，每格一词，首字母已给。 初一英语缺词填空Tom is a boy of eight .He and Jim are in the s____ class .Jim is good at M____.But TOM is not a good student .He doesn't like to go to school .Hecan o____ count from 1 to 10 .One day his teacher has a talk w____ him ,All the jim is from england he is a english boy 哪错了? Jim is from London .He is ______.A EnglishmanB English boyC EnglandD English he is jim 对 jim提问 he is from beijing and he is inmy class 哪些是定状补? Jim lives far away from the company.He is never late for work.合并成一句 Jim is areporter from CCTV-5.he thinks his job is( ).Every day he meets different people. He is Jim.同义句 Jim comes from America,does not he? Jim is a god student.He _____ late for class.A 、is hardly ever B、 is not ever C、is ever D、is always说明为什么? Jim is an English boy.He's( ).He is a new ( )in our class.让填什么的?能填出来更好!急 boy （） Jim is from the USAAnamesBnamedCnameDnaming My friend,Jim,is from （Japanese） 几道英语小题一.选择1.Jim is ill,so he is absent _____school.A.to B.from C.on D.after二.填空1.I have___(get) some interesting books.2.Jack is ___(tall)in his class.三.连词成句1.I,like,a,would,of,too,cup,coffee_________________________