Use "i dont know" in a sentence

1. I dont know! A weirdo! They just kept breathing really heavily and wouldnt say anything.

2. I dont know whether i will laugh at myself when i am old, overlook myself just for venial things.

3. 9 reviews for Bask, 4.1 stars: 'I went with the annual plan of Bask because I dont know anything about the computers

4. I dont know much about cars, but anyways the guy told me the Breaks looked brand new there was just a spot that was making them squeel

5. Ask-Certifiably-human-bill ((working on a new post, things may get dark, please send any necessary trigger warnings to @chaosflight in preparation- i dont know when this will go up but! it's in the work!))

6. Indecision is the most unsexy thing on the planet. I dont know if I'm sexy but I think decisiveness is sexy. I also lose trust and faith in them when I realise I'm a bit on my own and thats a very disheartening feeling. Drew Barrymore 

7. Contractions Contractions hasnnet have not i dunno i dont know aren't are not i'll i will mightn't might not they've they have let's Let us might've might have must've must have mustn't must not needn't need not shouldn't should not she'd she would she'll she will she's she is should've should have shouldn't should not that's that is there's