题目内容
| Climbing is one of ______, I think. |
A. the most difficult activity B. the most difficult activities C. most difficult activity D. most difficult activities |
试题答案
B
相关题目
题目内容
| Climbing is one of ______, I think. |
A. the most difficult activity B. the most difficult activities C. most difficult activity D. most difficult activities |
试题答案
B