i spent a large amount of time preparing for the exam.请问prepare为什么要用ing形式

I AMOU U I AMOU U 翻译 I had made a large commission,but not quite as large as the check I had now spent.这句话如何翻译? i spent a large amount of time preparing for the exam.请问prepare为什么要用ing形式 “I spent a yearon it. I order a large pancake every day对large提问 A large amount of money is spent on advertisements every year. the students spent their weekend(on a large mountain)对括号里提问 the students spent thier weekend (on a large morning )对括号里提问 i like it;s a large cake. it's a very large building i() 5.He has spent ( ) money on his new house.(A) a large number of (B) a great many (C) a great deal (D) a large amount of 主谓一致的一道题目Large amounts of money ________ a new TV set.A.were spent building B.was spent buildingmoney不是不可数名词吗? A large amount of money is spent on advertisements every year.if this is passive sentence?whether past tense of spend is spent? you are a large large fool and a pig!i am laughing.laugh you are a large large fool and a pig!i am laughing.laugh He has spent a large (_)of money on books A deal B amount C number D piece C语言 循环中求最小值do{ a=i%10;large = (large>a)?large :a;small = (small I spent a long holiday for a weekend