--- Cross the road carefully, __________ you’ll keep yourself safe.
--- Thank you.
| A．so | B．or | C．but | D．and |
They’re going to play _____ table tennis.
| A．a | B．an | C．the | D．/ |
There are ____ students in our school.
| A．two thousands | B．two thousand | C．thousands of | D．thousand of |
They are laughing ____ way.
| A．all | B．all a | C．all the | D．in the |
There ____ a conert at the theatre on Saturday evening.
| A．be going | B．going | C．is going to be | D．is going to have |
She doesn’t go to work, ____she is ill.
| A．but | B．because | C．and | D．or |