1.ann has been studying english since . a) has left b) left c) was leaving 2.they are not late.we are not late a)too b)either c)also 3.i know kate.-how long her? a)do you know b)have you known c)did you know

1. Ann has been studying English since she...school.  b) left
2. They are not late. We are not late ...  b) either
3. I know Kate. - How long ... her? b) have you known