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They are talking about (design)a new brThey are talking about (design)a new brige. They are talking about (design)a new brThey are talking about (design)a new brige. Now they are t（ ）about a new house they are a( ) about which movie to see they are talk____their English teacher.A：about B:to ——what they are talking about A.they are Bthis is Cthere is Dthat is 【 】are they【 】about?they are talking about Lucy birthday party What are they talking about? they are talking about a math problem中about是什么成分 they are talking about a math problem中about之后的是什么成分 They want to be (a ) because they are crazy about music. They are talking about( )next sunday.A.where are they going B.where are they going toC.where are they going D.where they are going to求详解C.where they are going they are talking about where to go for a holiday,同意句,they are talking about where they go fora holiday. a and b are friends ,and they are taking about their summer vacation plans what are （ ）about -----what are （ ）about -----They are about protecting the Earth.A.this artivleB.these articleC.these articlesD.this articles选哪个？为什么“？ they are thinking about when they will go . they are thinking about _____ to go . They are talking___ a movie over there.A.to B.with C.about D.for What they are talking about at the meeting __________ important.A.are B.is C.very D.are going