Chuyên đề 2: Thì và sự hòa hợp của thì

He won't understand what the responsibilities of a father are _____ . A. until he has his first child B. after he had had his first child C. as soon as he had his first c

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He won't understand what the responsibilities of a father are _____ .

until he has his first child

after he had had his first child

as soon as he had his first child

once he had his first child

Giải thích

Chọn A