来自彭国标的问题
【ittookhimthreehourstocleanhisbedroom的同义句】
ittookhimthreehourstocleanhisbedroom的同义句


【ittookhimthreehourstocleanhisbedroom的同义句】
ittookhimthreehourstocleanhisbedroom的同义句
hespendthreehourstocleanhisbedroom
原句中take是物做主语.,spend是人做主语