what people must to do the ocean用英语以上述主题写作不少于100字,不多于200字题目是what people must do to the ocean?

What must we say when we speak to older people? 连词组句 do,better,people,we,what,make,must,to,sign,tell,had,a,they People usually use s_ to show what you must and mustn't do填什么?快 what people must to do the ocean用英语以上述主题写作不少于100字,不多于200字题目是what people must do to the ocean? Old people must be spoken to p___. People must also learn to grow amnesia 1.Make a sing to tell people（ ）A.what they must do B.what must they do C.what do they must D.what they do must2.There are （ ）people in the sleeping car.A.too much B.too many C.much too D.much3.Children should（ ）their parents.A.respect B.t What must we have to keep healthy? what must you do to be safe? we must ask people not to cut down trees =we must -----people -------cutting down trees. Old people must be spoken to politely .为什么有to? （ ）The panda ______ his sign by the roadside to tell people what they must do.A.gives upB.holds up C.gets up D.dress up Old people must be spoken to p___.为什么用politely Old people must be spoken to ______.(礼貌) make a sigh to tell people 【】they must do People must learn how to help ____(other) You must be king to other people.怎样改为祈使句 We must do ( )the people want us to do.