Simple Past vs Present Perfect

How long ______ you been here?

• are

• was

• have

I ______ go to class yesterday.

• don't

• didn't

• haven't

I ______ my grandparents last weekend.

• visit

• visited

• have visited

I ______ to the beach 9 or 10 times in my life.

• go

• went

• have gone

I ______ gone shopping this month.

• don't

• didn't

• haven't

I ______ my homework yesterday at night.

• do

• did

• done

_____ you _____ a dentist this year?

• Do you see

• Did you see

• Have you seen

I _______ done exercise this month.

• don't

• didn't

• haven't

I ________ graduated yet.

• don't

• didn't

• haven't

I _____ sushi last week.

• eat

• ate

• have eaten