This is a hard battle ____ snow.中间用for 还是 against?

请问this is hard work 和 this is a hard work 有何区别 This is a hard way to earn a living. This book is a little hard _____ read something easier? this is a hard job能倒装成this is hard a job 顺便说一下倒装句的构成. this is ____ ,so we must ____ on it.A.a hard work;hard work B.hard work;work hardC.hard work;hard work D.a hard work;work hard This is a hard work a an 可以修饰抽象名词呀 但老师说hard work 也没讲清楚 This question is too hard,it is _____ my comprehension.A.belowB.beyondC.overD.without This question is too hard, it is _____ my comprehension.A. belowB. beyondC. overD. without This is a hard question to answer.这个不定式为什么用主动式This is a hard question to answer.这个不定式为什么用主动式 -Is life always this hard,or is it just when you're a kid?-Always like this.-----LEON Is life always this hard,or is it just when you're a kid?Léon：Always like this. This question is hard to ( )A.be answered B.answer 为什么选B不选A he works hard,because this is ( )important work A.a B.an C.the D./ nothing is hard to a willing hard This lesson is too hard ______ him This student is hard---working.同意句 this question is too hard [ ]---answer This girl is studying hard.改感叹句