为什么spent是错的,不是要spend的过去式吗?那里错了?

为什么spent是错的,不是要spend的过去式吗?那里错了? she (spent)two hours practicing playing basketball.（）是spend的过去式吗?这里为什么要用一般过去时? 一道 很简单的英语选择.I spent all my free time ____ my son.a.inb.onc.with.选哪一个为什么?但怎么不是a.是不是答案错了迓?写错了。我要选的是b。怎么不是b。我想的是 spend..on... “He spent 2 hours playing the piano.”中为什么用“spend”的过去式“spent” I spent two hours on my homework一句中spend为什么要用过去式spent 英语问题I spent 5 dollars on the book这里的spend为什么要变成spent快还有一个问题 a little 和little 哪个是用于否定句哪个是用于肯定句？举下例子，谢谢 the repairs cost a lot ,but it's money well ____ .A.to spend B.spent C.being spent D.spending答案选的是B,为什么? spend用法i spent one hour and a half ____________ this bool yesterday.A.read B.to read C.reading D.reads不是spend in doing和spend on sth吗,我选B,为什么错 spend 、spent 、spending 、to spend的区别要部分英语,大部分汉语 英语spend cost的用法too much money shouldn't be spent in clothes为什么spent 不能用cost 下列三句话中应该用spend还是spentI spend three hours in the sea .I spend my weekend at my mother's.I spend a lot of time in traffic jam.为什么用spend应该是已经过去的事了吧,不是应该用spent吗? spend spent的关系是什么?如何使用 A.How long did you spend there?B.We spent two days there.为什么回答不用要用spent 不用spend呢? spend后可跟过去分词吗?有一句I spent three days locked in my study.句子是对的,请帮忙解释一下,spend后一般不是只有on sht/in doing sth吗? what bad weather 为什么不是what a bad weatherhow will you spend（为什么不是spent,如果有will动词不是要变原形吗）your birthday before 与ago 的区别是什么can you tell me where Tom lives?这里为什么不能换成where does 英语翻译i spent about two hours in reading and replying emails yesterday.这个翻译,spend ,in搭配吗,为什么spend 不是用 I am interested in anmials,so I lots of time playing whit my pet dog? 是spent 还是spend?为什么 i spent some of the most exciting days of my life working on the eastern shores of Kenya's lake turkana searching for the fossilized remains of our early ancestors.我想问下spend管的不是searching吗,那前面那里的working为什么要用ing