The boy spent two hours on the work.If he’s given _____ two

The boy spent two hours on the work.If he’s given _____ two 为什么 Maria spent two hours (doing) the work 填doing He spent two hours reading the book(改为同义句) He has problems___(finish)the work in two hours they spent two hours finishing all the work.(改为同义句) They spent two hours finishing all the work.改成同义句 she spent two hours ( ) the work 为什么括号里的要填finishing呐? The little boy spends two hours I spent almost two hours on the phone yesterday.I tried to f he spent two hours 什么 the game show last night .【watch】 The baby _____(sleep) for two hours I spent two hours making the cake.(同义句转换)