The student wrote a letter of thanks to ______ had helped them.为什么填whoever而不填whom?whoever算什么词?

I think that that that that that student wrote on the blackboard翻译·I think that that that that that student wrote on the blackboard was wrong The student wrote a letter of thanks to ______ had helped them.为什么填whoever而不填whom?whoever算什么词? The teacher said that that that that that student wrote was beautiful wrote a The girl wrote a letter just now.对wrote a letter划线部分提问 the student,the students,a student,students的区别 ----关于written在this poem was written by a student中,用的是written,为虾米不用wrote?什么时候用written,wrote? The girl is a student.对a student提问 I think that that that that that student wrote on the blackboard was wrong.这句话的语法结构? I think that that that that that student wrote on the blackboard was wrong.这句话翻译成中文 man ,wrote,the,a,about,book,animals 连词成句 a woman writer wrote the book怎么改为被动语态? she wrote a poem and sent it to the newspaper___fax wrote the story wrote the story He wrote a letter___he explains what had happenedHe wrote a letter___he explains what hadhappened in the accident. play the role of a student是什么意思 1.How long have you been here?A.stood B.to standC.standing D.stands2.The student has been the novel since he finished school.A.wrote B.writingC.written D.writes3.— Hi,David!Are you tired?— Yes,I am tired.I the classrooms for 4 hours.A.am cleaning