Paris sounds like a city that I could enjoy.为什么用could而不是can呢?是表示过去式吗?

Paris sounds like a beautiful city?(改为同义句)Paris __ beautiful . Paris sounds like a city that I could enjoy 怎样改否定句not 是加在sounds之后,like之前啊 还是Paris 之后,sounds之前 paris sounds like a city that i could enjoy什么意思啊 paris sounds like a city that i could enjoy 同义句 连词成句 sounds a city that could i like Paris enjoy Paris sounds like a city that I could enjoy是一个什么句 Paris sounds like a city ______I could enjoy.A.when.B.who.C.that.D.where 选哪个?为什么? Paris sounds like a city that I could enjoy.为什么用could而不是can呢?是表示过去式吗? paris sounds like a city that i could enjoysounds like a city 有些不懂.希望大哥大姐叔叔阿姨爷爷奶奶们会的帮解释下 paris sounds like a city [ ] i could enjoy 1 when 2 who 3 that 4 whereparis sounds like a city [ ] i could enjoy 1 when 2 who 3 that 4 where 为什么不用where it sounds like a story. that sounds like a must that I coild enjoy是什么从句它是什么从句?Paris sounds like a city that I could enjoy在这个句子中，它是什么从句 parents' direction sounds like a broken record. what letter sounds like a useful insect Is it sounds like a bird? His voice ( )a girl's.A,look like.B.sound like C.sounds like D.sounds 请大家踊跃回答.1.They are going to _____ Paris.A.move B.moving C.move to2.Chengdu _____ a city that I could enjoy.A.sounds like B.sounds C.sound like 3.I dont know.What do you want?（合并一句）