The tourists got lost in the woods because they didn't have a map, and even if they _______ one, they couldn't read it.
Q1. The tourists got lost in the woods because they didn't have a map, and even if they _______ one, they couldn't read it.
Answer: had
Explanation: The correct verb form 'had' is used in the third conditional tense. 'Have' is incorrect due to tense inconsistency.