.―― Our family will travel to Shanghai for the World Expo this weekend.――A. Congratulation

问题补充：

.

―― Our family will travel to Shanghai for the World Expo this weekend.

――

A. Congratulations

B. Take care

C. Have fun

D. Good luck

答案：

A. Congratulations

B. Take care

(答案→)C. Have fun

D. Good luck

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