if you spend much time on these activities.为什么用on?

if you spend much time on these activities.为什么用on? If you spend more time on it ,you will learn--------(much) about it用括号中的正确单词空 英语翻译If Time Is MoneyIf time is money,you ought to spend or invest it carefully.Most people spend too much time wasted doing not really important stuff.When you track your time,you’ll be surprised where it goes. 高一两道英语同义句转换1.If you spend too much time alone,you'll feel very sad.Don't spend too much time alone,or you'll feel_____ ______.2.You might risk being caught in a storm if you go out right now.You might ____ _____ _____ _____ bein 翻译:''how much money did you spend altogether? How much time do you spend in _______?(travel) You don't need to spend much money. how much money did you spend in the robot shop How much did you spend on teh dictionary.(同义句) How much do you spend on your school uniform? How much does the book you 中是填spend还是cost? How much did you spend ( ）the house怎么填 How much did you spend in your new sweater?改错 改错How much did you spend in your new sweater? 改错：how much are you going to spend christmas presents? how much did you spend on the travelling?=how much ____ the travelling ____ you? You should not spend too much time collerting things.改为同义句 it is () () to spend too much timecollecting things 英语翻译If you want to be happy,you have to get along with yourself first,because you spend so much time with your own self.Enough is as good as a feast请大家帮我翻译下,