Grammar - Lesson 1 - Present Perfect

Tom (see) ___ this film before.

I (not finish) ___ my exercise yet.

They (live) ___ here since 1990.

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 (stay) ___ here since last week.