- 试题详情及答案解析
- The first World Cities Day of the UN, _______on Oct.31, 2014 in Shanghai, focused on leading urban transformation.
| A．to have been held | B．having held |
| C．held | D．being held |
- 答案：C
- 试题分析：考查一般过去时。Held on Oct.31, 2014 in Shanghai,在句中做定语，主句The first World Cities Day of the UN focused on leading urban transformation.中动词focused为一般过去时，故定语从句的时态也应为一般过去时，故选C。
考点：考查一般过去时