He sings ________ and he is a __________ singer(歌手).
Please give me a call and let me know ________you will come back for dinner.
It’s very easy for us ________asleep with relaxing music going on when we’re tired.
---What’s wrong with Sally? ---She was ill. She ______in the rain yesterday.
— What do you think of our new school?— ___________
________ of giant pandas is getting _________ because their living areas are becoming farmland.