Present Perfect tense

I (a)   (eat) breakfast already.

They (a)   (not visit) five countries this year.

Has she (a)   (see) that movie yet?

We (a)   (not finish) the project on time.

Have you (a)   (write) the email yet?

He (a)   (not return) the book to the library.

Have I (a)   (hear) from my friend in a long time?

They (a)   (not make) a decision yet.

She (a)   (take) her medicine today.

Have we (a)   (go) on a vacation in two years?