Chia dạng đúng của từ trong ngoặc

1.I(know)...how to do this exercise right now
2.What....you usually (read)...when you (be)...on holiday?
I(read).... detective stories.Now I (reaf)..."The shut door" by Ilov lock
3.Ann (wait)...for me when I(arrive)....
4.Mary.(usually/phone)...me on Fridays but she (not phone)...last Friday
5.What 's the noise?What (happen)....?