Fill in the blanks with can or may in the correct form
1. David ... do the work. He is competent enough. 2. You ... take the last copy if nobody needs it. 3. ... I ask you to look after the child? 4. ... you tell us of the final diagnosis? 5. You ... never tell what... come to her mind. 6. A fool ... ask more questions than a wise man ... answer. 7. You ... trust me, and who knows, you ... need me one day. 8. Helen ... grasp the idea, She ... have been thinking of something else. 9.1 never thought that they ... get lost in the area. 10. Alexei .. sometimes forget things, but he ... always admit his fault, 11. —...I smoke here?—No doubt you ..., but you certainly ... not! 12. ... you lend me your bicycle for today? 13. You ... read this paper, it's not secret. 14. -, Why ... she agree to join our party? — She ... be busy or unwell. 15. ... you please open the door? ... I ask you for such a small service? 16. You ... never go back to your past; you have got to move on.