单项选择题
A．The receipt had been stolen by someone. B．someone had taken away the case. C．He could not claim his case without the receipt. D．He had left his receipt at hom
A．was leaving later than scheduled B．was not leaving for another hour C．was not scheduled to leave D．was delayed for some reason
A．lay right on one side of a shelf B．was right behind as old brown-looking case C．was between two high shelves D．was among the hundreds of cases