Correct the mistakes in the sentences below.

a) There is a television at home. b) There are some flowers. c) There aren't students in class. d) Are there good books? e) There are computers in class. f) There isn't a tomato in the fridge. g) There is a bed in the room. h) There are two radios on the table. i) There isn't a fish in the lake. j) Is there a big window? k) There are 24 hours in a day. m) There is a big cinema in town.