Present perfect continuous and simple

My sister __________ (read) that book for two hours.

• a) has been reading

• d) has been read

They __________ (wait) for you since morning.

• a) have been wait

• b) have been waiting.

We __________ (work) on this project all day.

• • a) have been worked

• • b) have been working

I ____ this book all morning.

• have read

• have been reading

They ____ during the exam.

• have spoken

• 've been speaking

How long ____ abroad?

• have you been being

• have you been

He ____ his homework, and he's playing football now.

• has finished

• has been finishing

____ ten novels this year?

• Have you been writing

• Have you written

I ____ for the past two nights.

• haven't been sleeping

• haven't slept

We ____ him for years.

• have been knowing

• have known