问题补充:
单选题It’sgoingtobesometime_____heseeshisfatheragain,_____businesshasjustbeenstartedinSwitzerland.A.after; whoB.before; whoseC.when; whoseD.since; who
答案:
B解析考查before的用法及定语从句。句意:再过一段时间他才能再次看见他的父亲。他父亲的商业刚在Switzerland开办。Before在这里是才的意思, whose在这做定语。故选B。