Read each sentence to find out whether there is any error in any part Though he is a gifted comedian(a), he prefers spend his spare time(b) watching horror movies(c). No error.(d)

?Prefer? is followed by the gerund form of the verb. Thus, ?spend? needs to be replaced with ?spending? to make the sentence grammatically correct. Thus, the correct sentence would be, ?Though he is a gifted comedian, he prefers spending his spare time watching horror movies.