528、How’s your biology class going? 529、It’s interesting, but there’s so much work. 530、It’s just my opinion, but I think that’s pretty boring. 531、I admit that is pretty interesting. 532、I hope you can keep up with the work. 533、Are you doing well in math class? 534、Do you understand the chemistry homework? 535、It’s hard to hear my English teacher. 536、I stayed up all night studying for this test. 537、Did you hear our teacher assigned another paper? 538、I’m really bored with this class. 539、I like biology more than I first thought. 540、Could you help with the history homework? 541、I’m always late for my first class in the morning. 542、I have to go study for my French class.
