[6]
4. The children are singing a song.
5. The boys aren't playing soccer.
6. I'm not playing computer games.
7. Our teacher is reading stories.
8. Are you watching a video?
9. Is he talking on the phone?
[7]
in, of, on, next to, in, under, in, behind, in, of
[8]
A. 1
B. 2
C. 1
D. 3