问题补充:
By the time I arrived at the airport, she for New Zealand.
A. would be leaving B has left C will have left D had left
答案:
解析:考查时态。By到…时为止;该连词与完成时连用;连词by到…时为止;该词经常与完成时连用,如果后面是将来的时间,就使用将来完成时。本题by后面使用了过去时arrived,说明后面的主句使用过去完成时。句意:到我到机场的时候,她已经启程去了新西兰了。故D正确。