_____ of the students who took part in the military training
| _____ of the students who took part in the military training is 450. |
| [ ] |
| A. A number B. A lot C. Lots D. The number |
可能相似的问题
| _____ of the students who took part in the military training is 450. |
| [ ] |
| A. A number B. A lot C. Lots D. The number |