He helps them by giving them some food(对划线部分提问) ______ ______he________them?You mustn‘t sing in the classroom。改为祈使句____ _____in the classroom.Trees can clean the air.同义句转换Trees can _____the air______.

He's () to the people and often helps them.十万火急 He helps them with their English(同义句 英语翻译He always helps others_______ _______ them ______. He helps them with their English（同意句He () them () English.) He helps them by giving them some food(对划线部分提问) ______ ______he________them?You mustn‘t sing in the classroom。改为祈使句____ _____in the classroom.Trees can clean the air.同义句转换Trees can _____the air______. Their mother helps them. He helps them with their English同义词转换He ____ them____English 补一个空（英语）He's ______ to the people and often helps them. He helps them ___ some housework.里面填 do 还是 does 英语单项选择一题 He often helps me _______ my homework.He often helps me _______ my homework.A.with B.in C.by D.on She often helps them.否定句 he often helps others是什么意思 He ofter helps others是什么意思 which scientist discovered that objects in water are lifted up by a force that helps them float?可以帮我翻译一下吗?谢谢了~ Which scientist discovered that objects in water are lifted up by a force that helps them float这句话中的两个 that 的含义和区别 read them one by last year vegetable ----(grow)in the garden by tom and he ---(sell)them hims He tried to convince them on the safety of travelling by planecorrect