Is that a bag and a cat?(找错)

Is that a bag and a cat?(找错) that bag is a black that is a bag改为否定句 That bag is black.It is ______.A.black bag B.a black C.a black bag This bag is heavy.That bag is a little ）A heavier B heavy 为什么 What's this in English?A.This is a bag.B.It is bag.C.It's a bag.D.That's a bag. Mike() a nice bag and I() a big school bag.A.does:is B.is;have C.has;have A:Excus me,Wang Dong .Is your bag?B:( ).My bag is here.( )it's that girl's bag.A:OK.( ) Is this your bag?C:Oh,yes.It's my bag.A:( ).C:Thank you very much.A:( ). THIS BAG IS NOT A __________ a bag,a green bag.What's in the bag?A.This areB.They are C.It's D.That is Look!Some chicken () in this bag and some vegetables() in that box.A.are;is B.are;are C.is;are 最好有解释哈 Is/Are there a bag and a table in your home?Is 和Are选哪个? This is a bag.( )bag is yelloy.填什么为什么? what color it that bag?it is --------- a/a red b/red c/the red 1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.Th Some books and a pencil-box______in the bag. A.are B.is C.have D.has in her bag where is a passport and a pan 句子结构? 那是书包 翻译成英语怎么说?是写That is a bag.还是That is bag.还是两种写法都对?