—Did you have _____ fun in Australia?
—Sure. It was _____ unforgettable experience.
| A．a; an | B．/; the | C．the; an | D．/; an |
She didn’t feel well but she is all right ___.
| A．in future | B．in that case | C．at the most | D．at present |
He is __ teacher that all of us like him.
| A．a so good | B．a such good | C．so good a | D．such good a |
If you __ a fire, please break the glass to sound the fire alarm.
| A．make | B．find out | C．invent | D．discover |
There used __ a bus stop in the corner.
| A．to having | B．to be | C．to being | D．to have |
Do you start now? Good ___ your trip.
| A．lack of | B．luck with | C．luck to | D．lucky to |