---How long ____the supermarket ____? ---Four years.
| A．has, opened |
| B．has, been opened |
| C．did; open |
| D．has, been open |
---Is this book____?---No, it isn’t. _____is on the desk.
| A．your; Mine |
| B．yours; Mine |
| C．yours; my |
| D．your; My |
----Must I write all the words down now? ---No, you ____.
| A．mustn’t | B．can’t | C．wont’ | D．needn’t |
Our school has more than two ____ teachers and ____students.
| A．hundreds of; thousands of |
| B．hundred; thousand of |
| C．hundred of , thousands |
| D．hundred; thousands of |
They all looked____ at the teacher when he told them the good news.
| A．sadly | B．happily | C．carefully | D．angrily |