They spent four___yuan building the school library.A.million B.millions C.million of D.millions of

they spent和they have spent有啥区别 They have spent all theymoney.have spent能换成had spent吗? they have spent all theymoney.have spent能换成had spent吗? they spent a week in the mantein They went home when they{ }(spend)all their money.用spent 还是had spent spent. They spent time _____(swim) in the river. they spent all night _____the work AtodoB doing they spent two hours ____(watch)the players____(play) football They spent 3 hours pianting the trees改为同义句 they spent half an hour on talk是什么基本句型 They spent a day in the country ______(please) scientists said they spent four years making it 同义句 they still remembered the years_____together in the country.答案为spent happily 另外本人猜测spent happily=which they spent happily 这想法对吗?能不能扩展到一般情况? They still remember the happy years___in the countryA.when they had togetherB.which spent togetherC.spent togetherD.in while they spentwhy choose what's wrong with other answers? they spent as many hours as they could (to study)their lessons?这个地方用到什么语法? they spent two days （get）ready for the pathey spent two days （get）ready for the party They still remembered the happy years__in the country.A.when they had together B.which spent together C.spent together D.in which they spent一楼的能不能说下原因啊？谢谢！B书上是这么写的