Past Perfect Continuous — Bài Tập 4

We ______ our vacation for months before we finally booked the tickets.

The city's infrastructure ______ under the strain of a growing population for years before the government invested in it.

He ______ for that promotion for over a year before an external candidate was hired.

He ______ the same argument in his head for an hour before he decided to apologize.

I ______ for hours when I finally found my keys.

The ground was wet because it ______.

He was tired because he ______ all night.

Before she moved to Paris, she ______ French for two years.

She finally bought a new car after she ______ with her old one for years.

She ______ with the flu for a week when she finally went to the doctor.