题文
Some volunteers(志愿者) from Beijing arrived in Shanghai
April 29 to work for the World Expo.
| A．on | B．at | C．of | D．to |
Some volunteers(志愿者) from Beijing arrived in Shanghai
April 29 to work for the World Expo.
| A．on | B．at | C．of | D．to |
试题篮
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