They are ___ a new kind of textbook in some schools.正确答案为什么是D,求详解A.typing B.crowding C.seekingD.experimenting

why ___ they leaving for New York in only one week?A.are B.will C.shall D is They are new here They haven't decided where they should build a new train station.复合句变简单句.They haven't decided ___ ___ ___ a new train station. 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. we are thinking about ___(buy) a new house They are ___ a new kind of textbook in some schools.正确答案为什么是D,求详解A.typing B.crowding C.seekingD.experimenting Now they are t（ ）about a new house they are taiking about_____(design)a new bridge They are b( ) a new house for the old man . 6.The twins are new students.please look after ___(they),Han Wei. Are they two new friends A.Yes,they are.B.They are not.C.No,they are not.D.They are They ___(每个） have a nice hat.What colors are the ()?They're ___(orange) .Wonderful,___ they?yes ,they ___ indeed.A aren't ,are 请问怎么翻译 用所给单词的正确形式填空：.They are new students here .I don't know ___(they). They are on a cycling t ___ of the park They are having a (Chtirstmas)party tomorrow.对括号内部分提问___ ___ ___ they having tomorrow? They are beautiful!(改成感叹句)___ ___ they are!急救!