______ the right kind of training，these teenage soccer players may one day grow into international stars．

单项选择题To our surprise，the stranger ______ to be an old friend of my mother’s．

单项选择题—Why don’t we choose that road to save time —The bridge to it ______．

单项选择题He did not regret saying what he did but felt that he ______ it differently．

单项选择题The girl likes ______ and ______．

单项选择题If you leave the club，you will not be ______ back in．