2B present perfect + for / since, present perfect continuous Key

a 2 ’s been playing 3 hasn’t been feeling / hasn’t been 4 ’ve been looking 5 have you been doing
   6 ’s been reading
b 2 A have you been working
      B ’ve been working; for
3 A have you been going out
    B ’ve been going out; since
4 A has Penny been
    B ’s been single; since
5 A have you had
   B ’ve had; for
6 A has Pete been trying
   B ’s been trying; since
7 A has your sister wanted
   B ’s wanted; since
8 A have you known
   B ’ve known; for

You can check Unit 10 Present perfect simple and continuous here