A-A+ He first entered the country on a six-month visa and was given a further ______ of si 2022-02-25 13:38:25 学历考试 阅读 问题详情 He first entered the country on a six-month visa, and was given a further ______ of six months.AexpansionBextensionCexpectationDexplosion 参考答案 查看解答