Are they good for us and bad for us?是什么意思?

Are they good for us? Are they good for us and bad for us? Are they good for us and bad for us?是什么意思? are,good,they,us,for（.）能组成什么句子? They are us good friends They are good for I don't like hamburgers because they are not good for us.对画线句子提问.对 because they are not good for us提问 They are good for me. We all like sports.They are good for us.的意思 Apples are good for us.的意思 Jogging and swimming are good for us they are for us students为什么用us They are good examples for us students.It's interesting and exciting to do things with our parents翻译 Not all the books are good for us. 改为同意句 --- --- books--good for us Carrots are .They are good for our health. sports 算复数还是单数 用is 还是 areHe says sports —— fun,and they are good for us.中间填is 还是are apples are good for us改为同义句 eating more vegetables are good for us这句话哪错啦?