Present Perfect

Dan …. done his homework.

The group has just … back from the excursion.

The group … just … back from the excursion.

Children ... … the classroom

We ... chosen the present.

You haven't … a lot of money this month.

The weather ... changed

The plane hasn't just …

… pupils learned this poem?

… teacher explained new rules?

Have your parents … you a new puppy?

Has Jessica … the dog?