1) She has
just translated texts from English into Russian, hasn't she?
2) Who has already written tests?
3) Have you read different scientific articles for two weeks?
4) They have drawn many pictures at our Art lesson for two hours, haven't they?
5) Who has just done sums?.
6) We have jumped many times. haven't we?
7) Have you already sung merry songs?
8) My friend and I have already watched educational film, haven;t we?.
9) We haven't relaxed at the breaks between our lessons, have we?
10) Haven't they learnt a poem by heart at our Literature lesson yet?