PRESENT PERFECT EXERCISE

Make the present perfect - it could be positive, negative or question.

1) (She / go / to the library today) . 2) (you / keep a pet for three years) . 3) (you / eat Thai food before)? . 4) (it / rain all day)? . 5) (who / we / forget to invite)? . 6) (we / not / hear that song already) . 7) (he / not / forget his books)  8) (she / steal all the chocolate) . 9) (I / explain it well)? . 10) (who / he / meet recently)? . 11) (how / we / finish already)? . 12) (he / study Latin) . 13) (I / know him for three months) . 14) (where / you / study Arabic)? .