.--- Cathy could swim when she was only 4 years old.---_______________.A. So did Jack. B.So can Jack C. So could Jack
This TV play is very interesting.Why _________ down and watch it?
—May I speak to the headmaster? —He’s not here.He _______ Beijing.Can I take a message?
Ann is a careful girl.She always goes over her exercises to ____ here are no mistakes.
Your iPad is quite nice. Where did you buy ______? I want to buy ______, too.
______ difficult questions they are! I can’t answer them.