They spent 3 hours pianting the trees改为同义句

They spent 3 hours pianting the trees改为同义句 He spent 5 hours planting the trees.(改为同义句） they spent two hours finishing all the work.(改为同义句) He spent two hours reading the book(改为同义句) The spent 3 hours planting the tress.的同义句 we spent two hours getting to the top of the mountain改为同义句 They spent two hours finishing all the work.改成同义句 2．She spent two hours doing the housework.(改为同义句) 改为同义句1,He spent three hours finishing the task.（ ）（ ）him thr they spent half a day planting trees的同义句? I spent two hours cleaning my room 改为同义句 I spent two hours on my homework.(改为同义句)