The yellow house ________ windows face south is the place ________ I spent my childhood.
| A．whose; that | B．where; which |
| C．which; where | D．whose; where |
Some of you may have finished Unit one. _________, you can go on with Unit two.
| A．If you may | B．If so |
| C．If not | D．If you do |
At the end of the eighteenth century, masks _________ completely.
| A．ban | B．had banned |
| C．banned | D．were banned |
We live in an age _________ more information is available with greater ease than ever before.
| A．why | B．on which |
| C．to whom | D．when |
Before he volunteered to direct traffic, Timoteo _________ lots of jobs.
| A．had had | B．has |
| C．have had | D．had |
—I looked after a group of fifteen French children.
—That _________ easy!
| A．mustn’t be | B．mustn’t have been |
| C．can’t have been | D．wasn’t |