Some of you may have finished Unit One.________，you can go on to Unit Two.
| A．If you may | B．If you do |
| C．If not | D．If so |
—The light in the office is still on.
—Oh, I forgot__________
| A．turning it off | B．turn it off | C．to turn it off | D．having turned it off |
he food ______ us can last a year or so.
| A．supplied | B．supplying to | C．provided for | D．provided with |
Is this the dictionary _____ you are looking________?
| A．that; for | B．for which; x | C．the one ;for | D．one; for |
If you go to Xi' an, you will find the palaces there more magnificent than commonly _______.
| A．supposing | B．supposed | C．to suppose | D．suppose |
I remember ______ this used to be a quiet village.
| A．when | B．where | C．how | D．what |