. at the airport he telephoned his wife and told her what he would do when he got home.A.

问题补充：

.

at the airport, he telephoned his wife and told her what he would do when he got home.

A. Once arrived

B. As soon as he reached

C. When he got

D. Upon arriving

答案：

A. Once arrived

B. As soon as he reached

C. When he got

(答案→)D. Upon arriving

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