用适当的介词或副词填空

Question

Could you call me ___ next morning ?
What do you worry ___ ？
Mr Chen is thinking ____ going to England to spend his holiday.

Answer 1

你好，很高兴能够在这里回答你的问题，这道题的正确答案应该为：

up call sb up 给某人打电话
about
of

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Answer 2

going to England to spend his holiday