The professor spoke very clearly to make his speech ___.
| A．understood |
| B．understand |
| C．understanding |
| D．to understand |
Our teacher taught us that water ___ at zero degree centigtade.
| A．freezes | B．freeze | C．freezed | D．is freezed |
When I was a little child, Father told me the earth ___ round then sun.
| A．turn | B．turned | C．is turned | D．turns |
The boy wrote＿＿＿＿＿last week．
| A．a two-thousand-words article |
| B．two two-thousand-words article |
| C．a two-thousand-word article |
| D．two two-thousand-words articles |
There are ten＿＿＿teachers and two hundred＿＿＿students in the school．
| A．women； girl | B．woman； girls | C．women； girls | D．woman； girl |
Such men have made＿＿＿＿＿by developing oil businesses．
| A．great fortunes | B．a huge fortune | C．some huge fortune | D．a great fortune |