C. Write negative sentences.

{"1"=>"I didn't read the book last year.", "2"=>"The film didn't begin at 8 pm.", "3"=>"I didn't drink a cup of coffee in the morning.", "4"=>"They didn't choose a nice flat.", "5"=>"He didn't catch a cold yesterday.", "6"=>"Mum didn't buy a new skirt.", "7"=>"The painter didn't draw the picture in 2010.", "8"=>"His jeans didn't cost a fortune.", "9"=>"They didn't build a house last year.", "10"=>"She didn't forget about her promise."}