— Do you know the tower _____ in the heart of the city?— You mean the one _____ from the Ming Dynasty?
The air quality in the city, ______ is shown in the report, has improved over the past two months.
——Look at those clouds!——Don’t worry. it rains, we will still have a great time.
I am listening to music while he is surfing the Internet.
To , we didn’t have breakfast.
, a good idea occurred to him.