Question

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1.Which hat is this?-It's Jack's
2.I have been a dancer for 2010
3.He hasn't washed the car already
4.Joe didn't used to have short hair when he was a teenager

Answer 1

1. WHOSE hat is this?-It's Jack's
2. I have been a dancer SINCE 2010
3. He hasn't washed the car YET.
4. Joe didn't USE to have short hair when he was a teenager.