The young tree must be tied by us to the stick.(改为一般疑问句)

We must tie the young tree to the stick.被动语态 The young tree must be tied by us to the stick.(改为一般疑问句) 把这些句子改成被动的~`We must tie the young tree to the stick.May i look after the baby at home. One day Lin Tao and Mei Mei are playing in the garden.They ( )that a young tree there was( ).Theythought they must ( ) the young tree.Then they ( ) a rope ( )the tree and ( )it.Some days ( ) the tree came back to life ( ).Their mother ( ) this and pr The young tree ____the stick .A.should be tied to B.must be tied by C.should tied by D.can be tied with A ,为什么? next to the tree ______(stand) a young man The boys ______(cut ) down a young appale tree the young tree will grow into a big one the young tree bent over to (one) side 对么 the young tree si tied to the strong tree in case that it bends 该为被动时态we must lie the young tree the stick2they cant mend the bike in that shop3you should take good care of her bady 该写这种句子的方法是什么呢?为什么没人回答呀呀呀 the tree must _____(water) three times a month The young tree _______ the stick.A．should tie to B．must be tie by C．should be tied to D．can be选什么,并说明原因 把下列句子改写成被动语态1.Where did she make them?__________________________________2.Whose ruler did you borrow?__________________________________3.We must tie the young tree to the stick.________________________________4.They can't mend We must teach young children to cross the road safely the young man must be m______ to drive so fast Every young adult must realize the i_______ of playing sport We must take care of the young children.(改为同义句）We must ----- ----- the young children.