Tom works hard on his chinese.为什么用on

Tom works hard on his chinese.为什么用on tom works very hard.保持句意不变 Wang Lin works hard on English and speaks p___English. Tom always works hard at English. Tom works hard at English _____.”同义句转换,帮我下,谢谢,我不会做~ Tom works very hard at school and he receives (a ) from school every term.Tom works very hard at school and he receives a____ from school every term. 英译汉 Tom's father works very hard to make money for his family Tom's father works very hard to make money for his family是什么意思 Tom's father works very hard to make money for his family译中文 Tom and Paul _____ very hard. A: work B: works 选哪个,为什么,谢谢 Tom （a ） works hard at Chinese根据首字母添写, It is hard that Tom works out the exercise without your help. 一道选择题26.12Milk works ______ Tom.A.as hard asB.so hardly asC.as hardly asD.so hard as Tom works very hard.His brother,____,doesn't do much at all a:what's moreb:on the other hand c:for one thing d:even worse选项和详细原因 tom never works hard at his lessons,so it is not___to see a ___look on his face after the exam.A surprised disappointing B surprised disappointed C surprising disappointing D surprising disappointed 选D 为什么 works hard for our Tom works veay hard _____ he _____ get good grades in the exam.(用so连接两个句子)原句：Tom works very hard.Tom will get good grade in the exam. Tom will be successful______,if he works hard.A someday B some day C some days选哪个?为什么? She works very hard the day.A.at B.on C.in D.of