—Someone is knocking at the door. Is it Ann?
—It _____ be her. She is giving a performance at the theatre now.
| A．may | B．must | C．can’t | D．mustn’t |
It was _____ bad weather that we decided to stay at home.
| A．so | B．such | C．very | D．quite |
Lingling got up early ____ she could catch the early bus.
| A．so that | B．in order to | C．but | D．because |
---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 |