I think it's useful for the environment.

I think it's a.useful job.翻译 I think it's useful for the environment. 我认为和他为此争吵没有用 I don't think it's useful ( )(我认为和他为此争吵没有用 I don't think it's useful ( )( )( )( )about this Because I think it's useful.I want to learn English[ ].补全对话 I don't think it's useful to have support teams,----（反意疑问句） I think it useful a_____,so I will take it. I think it's _____ useful advice ,so I always remember it.A.a B.an C.the Science is_____ sometimes for me,but I think it's useful and I should learn itScience is_______ sometimes for me.but I think it's useful and I should learn it 填冠词.2.This is a useful dictionary,I think.So it is,and it's( ) unusual one. I think it's----useful advice.So I always remember itA a B an C the D/ to learn a foreign language well is useful,I think(改为同义句)I think it useful to learn a foreign language well .这里的第二句话中为什么用it而不是it's I think it is one of the most useful ______(dictionary)请问这个dictionary要加s吗? What about 〔 〕dictionary on the bookshelf ˉIt‘s very useful,I think 为什么空格填the. Think it over ,I think it's I think that it's a useful to learn a foreign-language.I think ____ _____ a foreign language ____ _____ I think digital dictionaries are very useful.A.Yes,so do I.B.It's a good idea.C.Neither do I.D.I get one,too. I think it's impossible I think it must___Lucy's.