Darren ___ leave ___ the car was out of sight.
| A．didn’t, when | B．didn’t, until | C．will, until | D．won’t, till |
—________will the fog and haze last？
—I’ve no idea．There is no sign of an end．
| A．How soon |
| B．How far |
| C．How long |
| D．How often |
Miss Li________English in this school since she moved to this city from her hometown．
| A．taught |
| B．has taught |
| C．was teaching |
| D．had taught |
They________here for more than ten years．
| A．live |
| B．lives |
| C．are living |
| D．have lived |
The famous writer________eight popular books since 2005．
| A．writes |
| B．wrote |
| C．has written |
| D．is writing |
We________more than 1，600 words since we began to learn English．
| A．learn |
| B．have learned |
| C．learned |
| D．are learning |