Answer:
1. I think Ahmed will travel next month.
2. At first the man didn't notice that Nour was watching him.
Explanation:
The above answers are correct.
In the first sentence, "will travel " is used because it talks about what happen in the future to Ahmed.
In the second sentence, "didn't notice" and "was watching" as used in the sentence is actually the correct form of tense that fits the sentence.
