lucy is s_____ good night to mum横线上怎么填?
问题描述：
lucy is s_____ good night to mum
横线上怎么填?
答
saying
be doing 构成 现在进行时
say "Good night" 说声“晚安”
答
saying
Lucy正在跟妈妈说晚安
答
lucy is saying_____ good night to mum.
露丝在跟她的妈妈说晚安!