Ask questions to the given sentences. Example: He was near the river yesterday. - Was he hear the river yesterday? 1)

 1) Jake was at the seaside last summer. — Was Jack at the sea side? 2) They were in London last week. — Were they in London last week? 3) Mary\'s sister was three last year. — Was Mary\'s sister three last year? 4) His friends were near the lake two days ago. — Were his friends near the lake two days ago?