while as a volunteer at the beijing olympics she made friends with the famous tennis playerWhile ( )as a volunteer at the Beijing Olympics,she made friends with the famous tennis player.A.being served B.serving C.having served D.served
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while as a volunteer at the beijing olympics she made friends with the famous tennis playerWhile ( )as a volunteer at the Beijing Olympics,she made friends with the famous tennis player.A.being served B.serving C.having served D.served
while as a volunteer at the beijing olympics she made friends with the famous tennis player
While ( )as a volunteer at the Beijing Olympics,she made friends with the famous tennis player.
A.being served B.serving C.having served D.served
while as a volunteer at the beijing olympics she made friends with the famous tennis playerWhile ( )as a volunteer at the Beijing Olympics,she made friends with the famous tennis player.A.being served B.serving C.having served D.served
b
B.serving
B
B