Simmer, mointains, he, last, was, the, in?

Was he in the mountains last summer? — Был ли он в горах прошлым летом?

Who was in the mountains last summer?

Where was he last summer?

When was he in the mountains?

Was he or were they in the mountains last summer?

Was he in the mountains or in the forest last summer?

 Was he in the mountains last or this summer?

Was he in the mountains last summer or last autumn?

He was in the mountains last summer, was not he?