Question

Помогите не могу сделать номер 6!
Знатоки не проходите мимо!

Answer 1

1.has been snowing 2.i haven't seen 3.have written,haven't got 4.has been 5.has been meeting 6.has missed 7.has been calling 8.i have been working,I haven't finished 9.have wanted 10.has been ringing 11.havent had coffee 12.they have been building