__________the past and you’ll see what a happy life we are leading now.[ ]

What’s your plan for this winter vacation?—I’ll take an express train to Shanghai for my holiday ___________ school ends.

Who would you like to see you off at the airport— . Just say “good-bye” at home.

How does Jack get to school—He _______ .

I prefer spending much time solving the problem to consulting my teacher. —That’s_______ I don’t agree. You should turn to your teacher for help if necessary.