---He hardly spent any time on his subjects, ________?---________, so he does badly in his lessons.
——Would you like something to eat? —— I’m not hungry.
——You’d better give up smoking. It’s bad for your health. ——
——You’re so lucky to have a best friend. What does he like? ——
——I’m sorry I broke your bike. ——
——Thank you for your help. ——