we began to plant trees at nine 改为否定句 为什么呀

we began to plant trees ________ ourselves we began to plant trees at nine 改为否定句 为什么呀 when we began to have the internet? Then studied at guangzhou lnternational school .There is some water in the bottle.改为一般疑问句He will read a lot of books on holiday.We began to plant trees at nine.改为否定句 we began to plant trees at nine 改为否定句mr chen gets up at half past six every day .就划线部分提问------------ ------- ------- mr chen gets up every day . 翻译：we hope to find the most plant-friendly human sound for plant to grow. Where shall we __ __trees? A.plant B.to plant C.planting D.planted we must plant more trees to ____ our planet greener. We plan to plant trees in one row.怎么翻译 we are going to plant the tree__________（在湖边） we are going to plant trees in the park why don't we go to plant trees this weekend We 什么 football when it began to rain. We began to learn English two years ago.(Tom says) We _____(play) games when it began to rain. we began to learn english three years ago 同义句____ ____ _____ ____ since we began to learn english. We plant trees to protect our environment(保持原句意思)We plant trees ------------ ------------- -------------protect our environment We plant trees in honor of Earth Day.=We plant trees___ ___ to ___ Earth Day.