他正在把花瓶放在窗台上。

He is ___setting the vase on the windowsill.

厨师正在为晚餐摆放餐具。

The chef is ___setting the table for dinner.

妈妈正在调闹钟，确保明天早上能准时起床。

Mom is ___setting the alarm to make sure we wake up on time tomorrow morning.

月亮正在山后落下。

The moon is ___setting behind the mountains.

这部戏剧的背景设定在中世纪的意大利。

The play is ___set in medieval Italy.