他站在门口向我们挥手道别。
He stood at the door and ___waved goodbye to us.
她的长发在微风中轻轻飘动。
Her long hair ___waved gently in the breeze.
交警挥手示意车辆减速慢行。
The traffic officer ___waved to signal the cars to slow down.
田野里的麦穗在微风中轻轻起伏。
The wheat in the field ___waved gently in the breeze.