Past Perfect vs Past Perfect Continuous

I _______ for two hours when I finally realized I was lost.

• had walked along the street

• had been walking along the street

She _______ (to be dressed in) a garish outfit before I saw her at the party.

• had been dressed in

• had been being dressed in

I __________ my friend for 3 years before I recommended him to my CEO.

• had known

• had been knowing

He _______ for years before he found a place to settle down.

• had traveled

• had been traveling

She _______ for several weeks before she reached Lviv.

• had traveled

• had been traveling

We _______ for an hour when we finally saw the parade.

• had traveled

• had been traveling

I _______ for ages when I finally noticed the coffee shop.

• had walked

• had been walking

By the time I saw him, he _______ (put on) his coat to leave the house.

• had put on

• had been putting on

She _______ her gloves just before we entered the restaurant.

• had taken off

• had been taking off

They _______ the meeting when the boss walked in.

• had finished

• had been finishinng