Sam studies ___(hard)in his school用原形还是最高级?

Sam studies ___(hard)in his school用原形还是最高级? in the school she studies hard为什么是studies He studies in a school ___ here He was ___(success) in his studies. His sister studies very hard.(改为同义句） His sister is ___ ___ _ he studies hard in class还是in the class 他在第一中学上学.用He studies in No.1 Middle School.还是He studies in t 用Sam(人名),a,works,job,in,good,if,he'll,hard,get,school造句,job必 his sister studies in a school.对in a school提问 Sam is the shortest in his class(改同一句） Sam is ___than ___ He studies harder than any other boys in his class.是用boy 还是用 In order to be an astronaut,he studies hard at school.(对画线部分