what's this?回答是既可用It's a...还可用This is a...

what's this?回答是既可用It's a...还可用This is a... what's this?回答是It's N .还是It's an N .为什么? What color is this apple?回答是It's green还是It's a green apple 1.What's this/that in English?怎样回答?是It's a/an 名词 还是 It's 名词What's this/that 怎样回答?是It's a/an 名词 还是It's 名词帮个忙 what s this回答 what's this 回答是It's V 与 这与It's a V 有什么区别? what color is this pen的回答可不可以是It's a red pen what is this和what is that的回答与区别 what are they和what are these/those的回答与区别.是this is /that is.还是it is /it's是they are these are /those are what’s this 怎么回答? What's this回答问题 What is this?It is S.为什么回答不是 It is a S. What's this?It's a box.为什么回答中要用It's,而不用this is a box What（ )this?It's( )apple What is this怎么回答,是It is+a/an what's this?的回答为什么是it's… 为什么不用this is…回答如题啊…… What`s this?回答是This is a chair.还是It`s a pencil.This is和It`s有区别吗?不就是一个是这是个椅子.另一个是“它是个铅笔.”为何我选后面的错了? What`s this?回答是This is a chair.还是It`s a pencil.This is和It`s有区别吗?不就是一个是这是个椅子.另一个是“它是个铅笔.”为何我选后面的错了? What's this?What can it do?