Question

By 6 yesterday Daria ... supper.

a) have cooked; b) cooked; c) has cooked; d) had cooked; e) will have cooked
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Answer 1

had cooked (так как есть точное время в прошедшем)

Answer 2

By 6 yesterday Daria had cooked supper.

(Past Perfect)

Ответ: d