at / @

会议从下午两点开始。

The meeting starts ___at 2 PM.

他这会儿在超市呢。

He's ___at the supermarket right now.

周六晚上我们要在玛丽家看电影。

We're watching a movie ___at Marie's on Saturday night.

她惊讶地看着魔术表演。

She looked ___at the magic show in amazement.