--Hi, Tracy, you look tired.--I am tired. I__________ the living-room all day.
22. Of the seven days in a week, Saturday is said to be the most popular______for a wedding in some countries.
21. Every minute should he made full use of_______our lessons. ?
20. His sister left home in 1998, and______since.
19. He has made a lot of films, but___________good ones..
18. I can' t leave. She told me, that I_____stay here until, she comes back.