Comlete the sentences. Choose the right forms. 1) Do you know anybody who (have\has) been to Britain and can speak about it? 2) My brother has never (swam\ swum) in the sea, but he'd love to. 3) Everybody engoys such (-\a) clear and fresh air. 4) I'm learning English because i hope it will be (useful\useless) to me. 5) Our teacher usually hands (in/out) our exercise books when classes begin. 6) Where did you buy such a good (dictionary/ vocabularuly)? 7) Who has (gave/ given) you this cute little kitten?