Look,Jim is working _____ a math problem.

Look,Jim is working _____ a math problem. Look!Jim is sitting______ (quiet) jim and i are working对jim and i划线部分提问是用who is working 还是are jim and i are working对jim and i划线部分提问是用who is working 还是are Look at the w_______.Is she Jim's mother? Look!Jim is ____ in the river now.(swim) look ,he is s____ hands with his old friend Jim Look!Jim is walking _______(care)care 可以改变形式 Jim father is working on the farm------he is playing with a cat under a tree.中间填什么' Jim ___ in Zhuzhou since he finished his college.A.works B.is working C.has worked D.is worked Look!Jim with his friend is play games的解题思路!要说为什么要用is Jim----study)in a high school .He is a hard-working student该填什么?Jim ------(study)in a high school .He is a hard-working student该填什么? Look!Jack is standing?Tom and Jim请问,?处应该填什么 Look!Jim is swimming in the pool .指出错误并改正 look,jim is playing __ basketball over there,yes,look!__ basketball is new,it is __ gift from hisbrother the, 1.I think this desk is as ___ (bad) as yours.语法说明并翻译 2.Jim is working as ___ (quick) as Tom. Jim is __ to look after himself.A .enough old B.enough C.old enough D.older enough说出理由 .. Look! Jim is swimming in the pool . What lessons are you have on Monday ? 指出错误并改正