--Why are you so anxious?
--It isn’t your problem ____.
| A．on purpose | B．in all | C．on time | D．after all |
He ___ Beijing for a long time.
| A．has been away | B．has left | C．has been away from | D．left |
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 |