Past perfect continuous affirmative 4 - tutto inglese - Imparare l'inglese gratis on line

The journalist (investigate) the case for months.
They (sail) around the Caribbean for weeks.
He (fix) the roof since the storm hit.
We (decorate) the hall for the big event all weekend.
The scientists (observe) the phenomenon since the eclipse.
She (dance) at the studio every day to prepare.
They (hike) through the mountains since dawn.
I (learn) Spanish for my trip to Argentina.
He (wash) the car when the rain started.
We (collect) data for the research paper for months.