They *** six years agoA,died B,were died C,were dead D,have died.选什么,died是瞬间动词,应该不行.而ago又表明要用一般过去式是什么呢?

They have studied english for six years改为否定.they english for six years They (be) in that town for six years They have studied in the same school＿＿six years ago.A.for B.since C.in D.at l have a ------daughter.A.six years oid B.six years oid C.six-years-old D.six-years-old最好有说明啊 they have been away for six years如何改为同义句 six years ____ _____since they leftthey have been away for six years如何改为同义句six years ____ _____since they left -----olds are on the lake A.Five-six-year B.Five-six years C.Five six-years D.Five six years为啥选A 请问是six-year-old还是six years old还是six-years-old?(这个空签名有个a ) They have got only one pencil.They need () pencils.A.more six B.six more C.six anotherD.other six My little brother is ____.A.a six-years old boy B.a six-year-old boy C.a six-years-old boyD.a six-year old boy church is very old.They built it in 1407,six ___ ago.This church is very old.They built it in 1407,six ___ ago.A months B years C seasons D centuries Mary,a ___ girl,is standing under the tree.A.six year old B.six years old C.six-year-oldD.six-years-old ____ six years since I began studying English.A.There are B.It was C.It is D.They have been This restaurant is a very special place for Sherman and Dorothy because they went there on theirfirst date thirty-six years ago,翻译 the children in china start school when they are six years old 同义 the chidren in china start school when they are six years old同义句 My little sister is only____.A.six years B .six years old C.six year old再问一个：the sign____'danger' A.meaning B.mean C.means 改成同义句：They have known each other for six years .They have known each other ____six years____. They work six days a week.的同义句