10. c; translates to "you know how to play very well" others translate as:
a-you know how to play / b- he/she can play very well /d-you can go play well
11. d; translates to "want to go to the beach with me?" others trnslate as:
a-can you go to the beach? / b-you i can go to the beach? /c- can you go with yourself to the beach?
12. a; translates to "im going to dance at the party tonight" others translate as:
b- im going to dance at the party this night / c-youre at the party of dance tonight / d-tonight i dance at the party