Present Perfect

They (participate) in the competition?

You (visit) your granny?

We (enjoy) the game.

I (not do) my homework.

My friends and I (be) to London.

Lily (become) a famous actress.

She (win) a prize.

They (manage) to do their homework.

We (see) already seen this performance.

Michael (not attend) the school for 2 weeks.