necessary,ask every student to write a paper about the topic.——A.ThoughB.IfC.WhatD.How

necessary,ask every student to write a paper about the topic.——A.ThoughB.IfC.WhatD.How necessary ____at home is necessary for every family member,I think. _________ necessary for students ________ sleep eight hours every night i think it_____(necessary) to give students trests every day it is necessary to ask for time to think it over You can ask ____（任何人）in this team for help when necessary dr.robot can ask his patient many other questions ()necessary.1where2if3who4how填哪一个,为什么 dr.robot can ask his patient many other questions if necessary.if后能不能接need I think it necessary that we take plenty of hot water every day .中的necessary是做什么宾语吗? l meet interesting people every day and ask them quest Teenagers should __________ (ask) to do chores every day I thought____us students to have plenty of exercise every day.A.It's necessary to B.it necessary for C.it necessary of D.it's necessary of请教选什么为什么 It's necessary for him to change water every day.{改为同义句} He___change water every day. To do some housework every day is necessary.(同义转换) _(填一个单词)to do some housework every day. Doing exercise every day is necessary for students 该用it做形式主语造句 英语填空：It's necessary for us to p_____ speaking English every day. It is necessary for us to work hard every day 同义句