【简答题】A.Until the end of November. B.From the beginning of April to the end of September. C.From the 1st October until the 10th December. D.From the 11th December until the 31st January.
【单选题】Although the peak travel time for Chinese railway doesn't start until Jan 19 this year, people who're eager to get a seat on the train _______ already _______ their struggles.