Look:Jack is putting on his hat and coat.He must (be going) out.请问这里的be going能否改成go呢?有什么区别呢?结构must+be+doing/coming/joking等must+do/go/know/have等

Look!That is jack .翻译 Look:Jack is putting on his hat and coat.He must (be going) out.请问这里的be going能否改成go呢?有什么区别呢?结构must+be+doing/coming/joking等must+do/go/know/have等 Look!Lily is ( ) a nice scarf today.A.putting on B.wearing C.wearing in D putting in Look!Jack is f____ a kite on the playground look!Jack is ___(打电话）his mother over there. He is nine.( ) name is Jack.Look at (He is nine.( ) name is Jack.Look at ( ).He is tall.A.He heB.His hisC.His him Look,Xian Ming_a yellow T-shirt.(A)is wearing (B)is putting (C)puts on (D)wear Under no circumstances is Jack to look inside the bag.“look 填合适的单词：Look （ ）the man .He is putting out the fire .He's a ( ) look! mother is ___her son in a red coat .A putting on B wearing C dressing D in Look,Mary is ( ) a beautiful stirk today.A.putting on B.wearing C.put on D.wears要原因 4._________ is my brother._________ name is Jack.Look!Those stamps are _________.( he ) look!He is wearing a blue shirt,but he likes putting on the white one.is wearing 、 a bule shirt 、 klikes 、 putting中哪一个错了,该怎么改? Look!Jack is standing?Tom and Jim请问,?处应该填什么 look at the dog,()name is jack,空里填什么?原因是? putting Look,Xiaoming _______ a yellow T-shirt today.A.is wearing B.is putting C.puts on D.wear还有说明下原因! Jim is a fireman.He likes-----fires.A.putting off B.putting down C.putting up D.putting out