—Did anyone come to my office just now?—Yes. Mathew wanted to know ____ this Saturday afternoon.
—He plays basketball so well! Who taught _______? —He learnt it by _______.
—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.