Present Perfect

I _____________ (pass) all my exams! I’m so happy.

Tim _____________ (study) mathematics at university and he plans to teach it.

There’s nobody in school this week. All the teachers _____________ (go) on holiday.

We _____________ (not understand) anything. Can you explain it again in the next lesson?

BMW _____________ (design) a new type of car. They’re going to sell it next year.

He _____________ (not do) any homework all year.

They _____________ (forget) our address. Can you text it to them?

I _____________ (not see) Tom this week. Is he on holiday?