他微笑着和我握手。

He ___smiled and shook my hand.

当他对我微笑时，我知道一切都好了。

When he ___smiled at me, I knew everything was all right.

当玛丽为她醉酒的朋友道歉时，他礼貌地微笑着。

He ___smiled politely as Mary apologized for her drunken friends.