What's this --It is an backpack.这句话哪里错了现在就要.快.

What I__ is this?It's x. What ( )is this It'sv What country is this?It's. 选择题What's this?A.It's Z.B.It's red.C.This is ruler. What is this?It is S.为什么回答不是 It is a S. What is this in English It's a bilke.分析 What is this ____ ____?It's a pear. this,is,it,jacket,what's,a(连词成句) It's(an orange)提问是What is this? what is this?-It is. What is this?It is 选择 What's this - ( )A A.It's B.It's an C.It's a D.This is What's this in English? What's that in EnglWhat's this in English?What's that in English?What color is it?It's yellow.的翻译 It's coffee.__?It's milk.A.Who is this B.What's it.C.And what's mine D.And what's this 选哪个 1.what's that a.this is1.what's thata.this is b.it is c.lts d.lt's What is this A.it is a ''Z '' B.it is a ''S '' What（ )this?It's( )apple 英语翻译what's this?it's letter p.what color is it?it's green.what's this and what color is it?this is letter e.it's yellow .what's this letter?it's letter n.it's red.p-e-n.is it apen