单选25
It was very kind of you to do the washing-up, but you __ it. A mustn’t have done B wouldn’t have done C mightn’t have done D didn’t have to do
It was very kind of you to do the washing-up, but you _D_ it. A mustn’t have done B wouldn’t have done C mightn’t have done D didn’t have to do 你去做这些洗衣的事情真是太友好了.不过你不需要去做啊. 过去没有必要用needn't have done sth,didn't have to do sth
答：osth可以当作一固定搭配.arrange是及物或不及物动词,后面跟人时是不及物的用arrangeforsb.表示为某人做安排;后面加事,是及物的,如arran...详情>>
答：B 被动语态，be found to do. A中的made与found均为过去分词，冲突！详情>>
问：hArd work 和hArd--working有什么区别
答：一个是名词 一个是形容词撒详情>>
