I’ve been waiting for your call _________ .

He has been studying at university _________ .

She’s known her best friend _________ .

I have been absent from school _______ because I haven’t been very well.

I have wanted to go camping in Spain ______.

 I’m so tired. I have studied since 5 this morning ago!

 I’m so tired. I have been studying since 5 this morning!

I’m so tired. I studied for 5 this morning!

 He has been reading that book now for two weeks.

I’ve lived in this city for I was born.

I’ve been working on this project since 8 months.