Viết lại câu sao cho nghĩa không đổi

viêt lai câu
1 they planted seeds by digging holes in the ground with pointed sticks
=> pointed sticks
2 the hidden treasures are still our greatest mystery
=> we have known
3 they call baseball the national pastime of the united states
=> baseball
4 she often get dressed in way of an actress (  use adverbial clause of manner )
5 she smiled and shook her head ( use present participle phrase