Ten and two is twelve为什么谓语要用is?除了翻译可以解释为10加2等于12 外 从语法的角度怎么分析?

8加2等于10 英语eight and two is ten还是eight an two are ten 2210 written in words is two thousands two hundreds and ten.这句话哪里错了? Tom is ten years old.Jackistwelveyears old.(改为比较级句子） Tom is …… ……JackTom is ten years old.Jack is twelv eyears old.(改为比较级句子） Tom is …… ……Jack. Eight and two ( ) ten.A,be B,am C,is D,are Ten and two ______ twelve.A.is B.are C.was D.were （ )is ten and ten it's twenty 阅读并选择 There are( )boys and（ ）girs in the park.A.two;twoB.four;twoC.fifteen;twelve2.Peter is( ).A.in the plant houseB.in the roomC.under the tree3.Mary is（ ).A.drawingB.in the plant houseC.playing5.How many crayons has John got?A.Twelv 根据首字母填空或汉语意思ten and nine (n )twenty can buy skirts in that (c )store twenty-dight and two is (t ）ten and nine (n )这个错了是ten and nine is (n ) 英语趣味屋1．Ten plus ten is ten..Ten minus ten is ten.What am I __ __译：十是ten.Ten 10减去10是ten.What我?____2．I have two feet.I can walk(走路).And I can tell you the time.What am ___ ___译：我有两个feet.I可以步行（走 Two doctors and ten nurses make up the medical team改为被动语态Themedical team is made up of by two doctors and ten nurses.还是不加Themedical team is made up of two doctors and ten nurses.The medical team is made up of by two doctors and te 请问What is ten and ten=＿ ＿ ＿is ten and ten? seven,and,t(),iS,ten ten and thirty is f____ ten and thirty is f() Two and three is Four and six is ten.对ten提问 what is ten and ten?i__________elven._____you elvem too?填空 ____ ____ is ten and ten It's twenty.