题文
It was from May 1 to Oct. 31,2010__________ the World Expo 2010 Shanghai was held,__________ was a great event for the Chinese people.
| A．when ； that |
| B．that ； when |
| C．which ； when |
| D．that ； which |
推荐试卷
It was from May 1 to Oct. 31,2010__________ the World Expo 2010 Shanghai was held,__________ was a great event for the Chinese people.
| A．when ； that |
| B．that ； when |
| C．which ； when |
| D．that ； which |
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