Question

While Mary (cut) meat Tom (slice) onions.Раскройте скобки ​

Answer 1

While Mary is cutting meat Tom is slicing onions

Answer 2

While Mary (was cutting) meat, Tom (was slicing) onions.

While Mary (was cutting) meat, Tom (sliced) onions.

Два варанта используются.

Answer 3

While Mary was cutting meat, Tom was slicing onions.