Gerunds look like any regular verbs, except that they usually end in -ing and function as nouns in sentences. Similarly, infinitives are also relatively easy to spot - they usually have the word TO + any verb. So, this is how you should complete your assignment: I keep telling people that I love to dance, to write, and to paint. You don't have to change telling here, because it is part of the verb.
Simon is sincere and believes the stories that he tells. This is the answer because of the word play shown such as " impressive earnestness and sincerity" "he regarded it as a really important matter" this is the only[ answer that makes sense to me.