That book is dull множественное число

Those books are dull.

1.I've never heard this girl laugh.I never saw her crying.2.We didn't notice as he walked out of the classroom.3.Betty loved to watch the yellow leaves fall from the trees.4.All I like to listen to Michael Jackson?5.I felt like something hot touched my leg.6.Have you ever seen the sun rise?7.The little Prince every day, watched the sun go down.8.Mom proudly watched as her daughter played the piano.9.You love to watch her dance?10.I have heard many times, as she read books to their young children

1 there are many flowers on the windowsill. 2 there is a table in the middle of the room. 3 there is a vacuum cleaner near the chair . 4 there are two faucets above the sink. 5 there are 2 doors in the room. 6 there are many chairs around the table. 7 there are curtains on the windows. 8 there are some mistakes in the text. 9 there are many discs near the computer. 10 there was little milk in the bottle. 11 there were many people on the bus stop. 12 there were letters on the table. 13 there were some foreign students in the group. 14 there will be a meeting at the University tomorrow. 15 there will be a new theatre built on this street .