spend more time on English and you well be much ______at it .填什么呢,good

spend more time in learning to?为什么不是spend on? god must spend a little more time on need to spend more time on的中文 you ought to spend more time on english改写 you should spend more time on study_______of wacthing TV The more time you spend on these sitting--down activities spend more time on your family和spend more time with your family哪个对,最好给理由 spend time on造句 spend more time ____ English Why college students spend more and more time on the computer?哪儿错了? spend time on的造句 spend more time on English and you well be much ______at it .填什么呢,good chinese students spend more time than engish students on studies.同义句 Now ,i spend more time on my studies than e___ before The time (spend)on homework is more than two hours for him every day. They can spend more time on their hobbies and with thier families改为一般疑问句 Can I spend more time on the menu before I order? 情态动词与实义动词的区别?例如He needs to spend more time on his study.这里的to spend为什么不能换成spend,