Hiện tại hoàn thành

I already (finish).............my exercise.

How long they (live)...........here? They (live).................here.

My father (just wash).............his car

The students (discuss).................the question recently.

Mary ( never, be)..............to Hanoi.

We (know)............each other for 5 years.

So far we (learn)...............five lessons.

We (be)....................pen pals for a long time.

They (not stay)..............here since last week.

Bob (see).............this movie before