I think it's our duty to keep our environment clean and tidy.

I'm making cards,dut it's boring翻译为汉语 I think it's our duty to keep our environment clean and tidy. Think it over ,I think it's i think (it) necessary to save energy in our daily life.不是it's么? I think it our task to...中的it可以用it's代替吗?为什么?I think it's 后面可以加名词吗? I think it's impossible I think it must___Lucy's. it's dark.I think it ( )soon I think __our duty to keep our evirionment clean an tidy.A.this B.that C .it D.it's I think (it) must be our monitor.为什么填it? welcome to our supermarket!A.I think so B.It's interesting C.That sounds boring D.Thank you No,boring,i,it's,think组词成句 I think it's very funny是什么意思 I think it's Li 一定要准确! It's to bad.I think ,意思? I think it's a bad Yeah?I think it's got character. I think it's older ,too