Go on drop out break down leave out make up put off

a) I ran in a marathon but I wasn`t fit enough. I ___ after 15 kilometres(stopped taking part).
b) The story she told you wasn`t true. She ____it___(invented)
c) The papers for the exam were not ready. So they had to___(postpone) it___.
d) You have some problems with grammar. It means you`ll have to___(continue) revising.
e) When they printed the papers, they___(omitted) a page.
f) Sorry, I`m late. The car ____(the engine stopped working)