按要求感谢句子We are going to visit Big Ben.(对划线部分提问 &
按要求感谢句子
We are going to visit Big Ben.(对划线部分提问
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They will go to visit the Summer Palace.(把主语改为为单数)
They will go to Hangzhou by piane.(对划线部分提问)
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Are you going to the park?(做否定回答)
one the cities is in of it biggest America.(连词成句)