At the meeting they discussed three different_____to the study of mathematics.A.approaches B.meansAt the meeting they discussed three different_____to the study of mathematics.A.approaches B.means C.methods D.ways 几个选项的区别是什么

they're having a meeting at the meeting h_________ They always talk at the meeting.(改为否定句) They ____ talk at the meeting. They asked him to make a____(speak)at the meeting At the meeting,they made a great d------ they said nothing at the meeting yesterday同义句 They reached a______ (decide) at the meeting yesterday. they talk at the meeting from beginning to end.同义句 they talk at the meeting ____ _____ _____ they talk at the meeting from beginning to end.(同意句）hey talk at the meeting （ ）（ ）（ ） at the sports meeting in the meeting 还是at the meeting Did they talk _____(talk)about any problems at the meeting yesturday.Did they _____(talk)about any problems at the meeting yesturday.上面打错了 They will talk about it carefully at the next meeting的同义句They will ___ ___ ___ at the next meeting At the meeting they focused their attention on the pollution problem.翻译句子 -----the begining of the meeting,they sang a song. a.by b.at what did they ask him to speak at the meeting?改错是否有错? They asked him to make --------(speak) at the meeting.填什么?为什么? At the meeting,they said nothing but _______ quiet.A remainedB took C madeD got they are -------- the sports meeting .A.at B.in C.with 填什么?为什么?