Complete these sentences. She ... (do) the exercise for twenty minutesMy mother ... (not read) this book for week.It ... (rain) sincethis evening ... you ...(solve) this problem for two hours?They ... (sleep) since four o"clock
She has been doing the exercise for twenty minutes. My mother has not read this book for a week. It has been raining since. This evening, have you been solving this problem for two hours? They have been sleeping since four o'clock.
She has been doing the exercise for twenty minutes.
My mother has not read this book for a week.
It has been raining since.
This evening, have you been solving this problem for two hours?
They have been sleeping since four o'clock.