what must we do to protect the earth?几句话说一下.

We had better make a sign to tell people_________.A.what they must do B.what must they do we must do what we can to protect our environment什么意思 what counts is how much work me must do to pay for what we buy we are coming on another year .we must try our best to do what we do.翻译 英语翻译We do what we must because we WE DO WHAT WE WANT TO DO We must learn _______ first aid A.how do we give B.how to give C.What to give D.what do we give 连词组句 do,better,people,we,what,make,must,to,sign,tell,had,a,they what must we do to protect the earth?几句话说一下. 翻译We do what we must because we canWe do what we must because we can什么意思 What must we have to keep healthy? what do we -----to buy?we---to--- what must you do to be safe? We must do what I can to help him这里为什么要用to help to help him是不是作定语?do what I She went (b ) after an accident.We must come to a (d )about what to do next tomorrow. What else do we have to do? We must plan what to do in the summer 改为We must — — — — — — for the coming summer holiday. We must do what I can to help him这里为什么要用to help to help him是不是作定语?do what I what i can 是不是省略了do 即what i can do