the student studies hard,but sometimes he haue had trouble w

The student studies hard,but sometimes he said he had bought boots,but he was having much trouble w he not only studies hard but also works well=he__ ___works w The student ______ continuing his studies when he had to ret he studies very hard.but his___(speak)doesn't improve. he hasn't had enough (ex )for the new job ,but he works hard He tried hard to get a position in the company ,but he had n He studies hard.He pass the exam.（合并成一句） He studies science ( )he studies it hard 合并句子【英语】He studies hard.He pass the exam.(合并成一句)He studies h The diligence studies hard he studies hard in class还是in the class