The students can’t go home________they finish cleaning the classroom，for it’s their duty．
| A．when |
| B．since |
| C．if |
| D．until |
—Dad, would you please drive ______ ?
—No hurry. We have enough time before the plane takes off.
| A．slowly | B．faster |
| C．fast | D．more slowly |
—Would you like to buy her ______ ?
—Sure , I'd love to.
| A．something special | B．nothing special |
| C．special something | D．special anything |
We can go in my car ______ you want to walk.
| A．if | B．because |
| C．unless | D．when |
—Did you notice a boy in blue come in?
—No , I didn't because I ______ a movie.
| A．had watched | B．have watched |
| C．was watching | D．am watching |
—Do you like playing computer games?
—No, but I ______ .
| A．didn't use to | B．wasn't used to |
| C．was used | D．used to |