Choose the correct answers to complete the sentences. Most of these sentences are negative.

1)  John and Mary went to the movies last night, but I ___.

• didn't
• doesn't
• don't

2)  He wanted to play word scramble, but they ___.

• don't
• didn't
• doesn't

3)  I _____ do it! I wasn't even there!

• don't
• didn't
• doesn't