7.
a laptop on the desk.
8.
a lot of noisy chidren in the classroom
9.
a little milk on the table
10.
a few difficult problems on the quiz
11.
mice in the kitchen.
12.
_a lot of salt in the sauce
13.
rubbish on the floor.
14.
some dictionaries in the classroom.
15.
a museum next to the park.