-Do you know the girls who are in the living room? -Yes, they are my classmates. They are celebrating Lucy's _ birthday. A .thirteen B. the thirteenth C. thirteenth
—Must I take part in the activity? —No, you _______. You’re too young. You should look after yourself.
—Watching TV too much _______ bad for your eyes. —I’ll go to bed right away.
There _______ an English party in our class next week.
Sam spends two hours _______ his homework every day.
You should not eat _______ meat. It can make you fatter.