Question

Complete the sentences with suitable conjuctions:
He was annoyed. He kept quiet.​

Answer 1

He was annoyed but he kept quiet.

Answer 2

Answer: Although he was annoyed, he kept quiet.

OR

Even though he was annoyed, he kept quiet.

Explanation: We use although, even though, when there's a contrasting idea, and usually when something is surprising and or unexpected.

Here, we have one situation, where the person was annoyed but kept quiet, which is a contrasting idea, therefore both the words, Although and Even though can be used.