—Must I take part in the activity?—No, you _______. You’re too young. You should look after yourself. A. mustn’t B. can’t C. don’t have to
—_____ is it today?—It’s Tuesday.
—It’s time _____ lunch.—OK. Let’s _____.
Mr. Wang _____ gets up early. So he is ______ late for work.
—_____ do you go to the zoo with your brother? —Three times a month.
My brother usually ___ his classroom after school. But now he ___ basketball.