i am aim at study 和 i am aiming at study 哪个对?还有aim的用法是?还是 i aim at study?

i am aim at study 和 i am aiming at study 哪个对?还有aim的用法是?还是 i aim at study? 填一个单词I am study for my exams at the( )I am study for my exams at the( ) aim to和aim at的共同点,和区别! aim at I am not good at English I have to study hard to i-------- it I study at St I study hard,but I am still not good at math(改为同义句） My sister is better at study than I.(同义句) I am __My sister is better at study than I.(同义句)I am _____ _____ _____ at study _____ my sister. I am serious ( )study English take aim at和aim at 这两种搭配有什么区别,请举例说明, i am allowed to study at a friend's house 为什么allow加ed aim at 和be aimed at 区别,非谓语用法 My sister is better at study than I.(同义句替换) I am ___ ___ ___ at study ___ my sister. I study at most nights. I study at后填 aim to 与aim at 的区别是什么?是aim to ,aim for ,aim at 三个 be aimed at,aim at,aim for 的用法区别主要讲解一下at和for的具体区别， I am a little （ ）at English.I will study hard.中间填什么?括号里W开头