把They plant whear at this time of year.改成被动语态

把They plant whear at this time of year.改成被动语态 they do not make this kind of watches in Beijing.把这个句子改成被动语态 People plant hundreds of trees every year 改为被动语态 They plant 10 trees every year.改成被动句 将下列句子改为被动语态.1.We must plant more trees this year.2.Can they they took DAN from this plant.（改为被动语态） 把They heard her sing a song at the party .改成被动语态 We plant trees every year to protect our environment 改成被动语态 They sill plant trees on the small hill next year变成被动语态 They plant trees on that small hill every year变成被动语态大神们帮帮忙 We should plant more trees this year.怎么变被动语态? 把 Do they invite Mary to dinner改成被动语态