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Task 3 (12 points).

Read the situations and write the sentences in Present Perfect.

Last year the rent of Sarah's flat was lower. It ______________ (go up) by 20% this year.
Kate can't find her keys. She ______________ (lose) them.
This evening I was expecting a letter. Now I have it. It ______________ (arrive).
Fred went to Paris last summer. This is the best place he ______________ (go) ever to!
Tom's French wasn't good. Now it is much better. It ______________ (improve).
Ted can't walk. He ______________ (sprain) his ankle.