The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”
A.aboard; board | B.board; aboard | C.board; board | D.aboard; aboard |
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The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”
A.aboard; board | B.board; aboard | C.board; board | D.aboard; aboard |