变成被动语态 People plant trees every spring

变成被动语态 People plant trees every spring People plant hundreds of trees every year 改为被动语态 when do people often plant trees?改为被动语态 They will plant more trees nert month变成被动语态 They sill plant trees on the small hill next year变成被动语态是被动语态 将下列主动语态变成被动语态:Can we plant trees here? 将下列句子变成被动语态 1.People usually plant trees in spring.2.You should make a plan at first.今天下午就要交! They plant trees on that small hill every year变成被动语态大神们帮帮忙是被动语态 People plant trees near the river.的被动语态怎么变 变成被动语态, 将下列主动语态变成被动语态:People often grow flowers in spring. 1.When did you invent the strange machine 2.Where do people plant the trees (都改为被动语态) People grow tea in the south part of China.(变成被动语态) 把句子变成被动语态 People grow cotton in the south. 把下列句子变成被动语态:People use stamps for sending letters. we often plant trees in spring怎么变被动语态 改为被动语态：We plant trees every spring. We plant trees every years.转换被动语态