It happened to be very cold ___ the morning of our sports meet.
| A．at | B．on | C．in | D．with |
. Use your head，you’ll have an idea.
| A．or | B．and | C．but | D．so |
There arestudents in our schoo1.
| A．three thousand | B．three thousand of |
| C．three thousands | D．three thousands of |
Some people find the film Avatar difficult______.
| A．to understand | B．to be understood |
| C．understood | D．being understood |
This maths problem isthat one．
| A．not so easy as | B．more easy than | C．as easier as | D．easy than |
. Who could have ____ that within 10 years he’d be in charge of the whole company?
| A．indicated | B．promised | C．supported | D．predicted |