The present perfect tense

I _____________ my homework yet.

• have finish

• has finished

• did finished

• haven't finished

My father is on the way. He ____________ home yet.

• haven't arrived

• hasn't arrived

• didn't arrived

• arrived

She's been here ... an hour.

• for

• since

________ you ever been to New York?

• Are

• Were

• Do

• Have

We've lived in this town ... 3 months.

• for

• since

I've had my computer ... October.

• for

• since

During the two years David ____________ ten different jobs.

• has has

• has had

• have had

• have has

Mary's been in Paris ... last year.

• since

• for

I __________ a teacher since 2002.

• was

• have be

• have been

• had be

They _________________ each other since last year.

• knew

• known

• have known

• has known