Tom needs 30minutes to make a model car.(对30minutes提问）
问题描述：
Tom needs 30minutes to make a model car.(对30minutes提问）
答
How much time does Tom need to make a model car?.............................
...........正确....
答
How long does Tom need to make a model car?
或是How much time does Tom need to make a model car?
表示做某事花费多长时间
答
How long does Tom need to make a model car?
答
How much time does Tome need to make a model car?
答
How much time do they meed to make a model car?