Time should be made full use of（ to study ）.求解释为何要用to study 而不选 studying?关键是介词后问什么不跟ing？

Your spare time should be made use of为什么加of 这种句子什么时候加of 谁能帮我翻一下这句英文?Every possible use should be made of time to study our subjects. You should be more careful next time. Our valuable time should ___ the most of ___ us for the coming exam.A:make,to prepare B:be made,preparing C:be made,to prepare D:make,preparing为什么不选B？ 4.my parents always hold that time should be made good use() my lessons wella to learnb of to learnc to learningd of learning选哪个为什么? 7.Time should be made good use ___ our lessons well.A.of to learnB.of learningC.to learnD.to learning为什么不是其他选项?尤其是B? Time should be made good use_________our lessons well .A.of learning B.to learn C.to learning D.of to learn.选什么,为什么. Time should be made good use of ___ our lessons well.A learning B learned C to learn D having learned Your spare time should be made use of ___ more reading insteda of ___ gameA to do ;playingB doing ;playingC to do;to playD doing;to play Reference to this paper should be made as follows: THBT intern ships of college students should be made compulsory 英语翻译Every possible use should be made of advanced technology. we should consider __use can __such books.Ahow.be made of Bwhat,be made ofC what ,be made ofDwhat .be made of every effort should be made to put it into practise中为什么用made It was impossible for lost time to be made up take care of 的被动语态?We should take care of the old men.被动形式是什么呢?The old men should be taken care of还是Care should be taken of the old men?我见过那个make use of 用的是被动的time be made use of pay attention to,at Every possible_______advanced technology.A.should be made of B.should be made use C.ude should be made of D.should make use of为什么啊快啊········· 3句型转换、、谢1 Hurry up,or you'll miss the early busIf you ____ ___ ____ ,you will miss the early bus2 You should be on time tomorrowYou ____ ____ ____ be on time tomorrow3 He made faces and the baby didn't cry anymoreHe made faces and the b