Yesterday, when I went past the classroom, I _______ someone _______.
| A．hear, singing | B．heard, singing | C．heard, sang | D．hear, sang |
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 |
—________have you been in the sports club？
—For two years．
| A．How often |
| B．How soon |
| C．How long |
| D．How much |