1 在二月十号你去了华科路,来回总共5公里,帮我签个字,
Hello,you went to Huake Road on Feb 10th,and the round trip covered 5 kilometers in total.Please sign it for me,thanks.
2你是几次航班?
（现在时）Which flight are you taking?
（过去时）Which flight did you take?
3我这里有雨伞,你需要吗
I have umbrella here,do you need it?
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