Present Perfect, Present Perfect Continuous, Past Simple

I _______________ English for two hours. I am very tired.

It is 7 p.m. and Alfred _______________ yet. He _______________ in the field since morning.

I’m really hungry. I _______________ yet. 

How long ........................... she ........................... (know) about this problem? 

Our neighbor _________ in hospital since Friday

The roads are closed because it _______________ since yesterday.

I ____________ to see you yesterday.

My husband and I _______ always ______ Arab cultural.

I _________ with my parents for the first two years but I ______ into a student hostel last September and I _____ there since then.