Is this the reason _______ at the meeting for his carelessness in his work?
| A．he explained |
| B．what he explained |
| C．how he explained |
| D．why he explained |
__________comes to see me, tell him I’m out.
| A．Someone | B．Who | C．Whoever | D．Everyone |
Use your head， you’ll have an idea.
| A．or | B．and | C．but | D．so |
. There are students 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 |