Use the words in brackets to complete the sentences . the present perfect , the present simple the present continuous? 1 . i ) busy now . i ) my homework. 2 i can help you . i ) tree now . i ) my homework . 3 .look! little johnny ) his bike . he is funny, isn't he? 4 . little johonny ) his bike . now the ) clean. 5 . i (learn) the new words now 6. i ) the words and i can go with you .7. ) the. story . i think i can answer your questions about it .8. ) the story now . we can discuss it later 9. mary ) busy . she ) a present for her sister . 10. she ) a present for her sister .she can go to the bookshop now