—I’m leaving now.
— ______ you turn off the lights.
| A．To make sure | B．Make sure | C．Made sure | D．Making sure |
________ beautiful these postcards are! Where did you get them?
| A．What a | B．How a | C．How | D．What |
We can’t do well in examinations we study hard in school time.
| A．if | B．and | C．since | D．unless |
Her sonCoke, but now hemilk.
| A．used to drink, is used to drinking |
| B．used to drinking, drinks |
| C．is used to drinking, used to drink |
| D．is used to drink, is drinking |
Our countrya lot in the last few years.
| A．changes | B．changed |
| C．will change | D．has changed |
I bought two pens. One is black, is red.
| A．other | B．others | C．another | D．the other |