摘要：13． his arrival at the airport, he was greeted by many teenagers holding flowers in their hands. A．When B．While C．On D．For
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_____ his arrival at the airport he was greeted by many teenagers holding flowers in their hands．
A．Upon B．Within C．Through D．Beyond
查看习题详情和答案>>_____ his arrival at the airport he was greeted by many teenagers holding flowers in their hands．
- A.Upon
- B.Within
- C.Through
- D.Beyond