This is _____ most interesting story.I have read it three times.填哪个冠词?（the an a ）

this is the most difficult problem i have ever handledthis is the most difficult problem i have ever _____ _____（改为同义句） This is the most terrible dream I _____(have).I don't want to think of it any more This is _____ most interesting story.I have read it three times.填哪个冠词?（the an a ） This is the most interesting news I have ever told. This is the most i can do 怎么翻译 这是我所读过的最难的一本书 This is the most difficult book that I have____ _____ most best 的区别Among them I like this kind of food _____ ,for it is mostly sugar and water.A best B most the answer is A ,why? This is not my blouse._____(I) is at home This is a most different problem,I think对吗,为什么要用a most ? The most importent _____(require)of this kind of job is to learn English well. I think English is the most interesting subject. And math is the second _____(interesting ) one.是填most interesting? I like this dog best.(改为同义句)This dog is ____ _____ _____. This is your most typical .Look,is this room beautiful? I painted it _____. This is _____ new dress I bought yesterday. this is a book _____ which I spend 5 yuan. This is a photograph of my family and _____(I) Is this the river _____ I can swim?