I am not sure ( )there are living things on other plants or
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I am not sure ( )there are living things on other plants or not.Even scientists are not sure.
A.if B.that C.whether D.where
为什么不可以选A有什么结构吗?
A.if B.that C.whether D.where
为什么不可以选A有什么结构吗?
or not不能和if连用,只能用whethe
I am not sure ( )there are living things on other plants or
I am not sure ____ there are living things on the planets or
Plants are very important living things.Life can not go on (
you see,there are no living things on other piants的意思
英语翻译Man is not the living animal on earth.There are other ki
I do not think there are_ on the is land.A things living B l
英语阅读两篇Plants are very important living things.Life could not
Plants are very important living things. Life could not go o
英语翻译Plants are very important living things.Life can't go on
With so many plants,animals,and other living things vobering
I am not sure( )he will come or not
there are two things __he was not sure定语从句