问题描述：
| Sometimes, the entrance tickets are _____free of charge from the university. |
[ ] |
| A. available B. valuable C. imaginable D. comfortable |
考点提示：形容词
最佳答案： | A |
Sometimes, the entrance tickets are _____free of charge from the university.[ ]A. available B. valua
Sometimes, the entrance tickets are _____free of charge from the university.[ ]A. available B. valua
最佳答案： 