免费商业的未来pdf:英语问题 请告诉我原因 55.9
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/23 20:14:10
____at the hotel,he found the guest had gone
a.having arrived
b.arring
c.arrive
d.arrived
a.having arrived
b.arring
c.arrive
d.arrived
b
现在分词,表伴随,主动
选a
b
现在分词,表伴随,主动
选a