It's ten o'clock.Lusy is (s )good night to Mum.

问题描述:

It's ten o'clock.Lusy is (s )good night to Mum.

It's ten o'clock.Lusy is (saying )good night to Mum.
十点了,lucy正在跟妈妈说晚安.
good night 是晚安的意思.