Present Perfect Tense

I ______________ my homework yet.

• have finish

• has finished

• did finished

• haven't finished

I have never ___________ to Paris.

• been

• went

• go

• was

____________ you ever been to New York?

• Are

• Were

• Do

• Have

During the two years, David ______________ ten different jobs.

• has has

• has had

• have had

• have has

I _____________ a teacher since 2002.

• was

• have be

• have been

• had be

I have lived in Singapore (a)   I was ten.

I (a)   (know) them for more than ten years.

How long (a)   (live) in Hong Kong?

They (a)   (write) three letters already.

She (a)   (not sleep) since yesterday.