. Television has many advantages. It keeps us _____ about the _____ news and also provides entertainment in the house.
The audience ______ before TV sets are listening to Yi Zhongtian’s stories with their eyes _____ upon him.
Our son doesn’t know what to ______ at the university;he can’t make up his mind about his future.
I’m living in the apartment nearby. Come and see me whenever________.
—I hear that you will be on travel again. —Yeah. My boss __________ for me to discuss business details with someone from another company.
Not until the early years of the 19th century ________ what heat was.