改为被动语态：people once visited the moon2.We held a sports meeting last week.3.The woman wrote the article.

Our department holds meeting once a month.People speak English in many parts of the world.改为被动语态 they should do it.at once改为被动语态 Tom deans the classroom once a week .改为被动语态 People usuaiiy piant trees in spring every year怎样改为被动语态怎样改为被动语态 So far China has sent three people into space successfully.被动语态改为被动语态. today,many people speak English(改为被动语态） Do people speak English in Canada怎么改为被动语态 people also use french is english改为被动语态 People plant hundreds of trees every year 改为被动语态 We saw some people flying kites .（改为被动语态） when do people often plant trees?改为被动语态 people speak Chinese in china.改为被动语态 把People shoundn’t waste water改为被动语态 Many people use computers widely.改为被动语态 People made the camera in China 改为被动语态 People make desks of wood.改为被动语态 改为被动语态：Do Chinese people use bikes widely? Do people use knives to cut things?改为被动语态