When An's father (come) to pick her up after schoo - Dicamon

Question

When An's father (come) to pick her up after school, I ( help) An with her homework .

Answer

Giải thích : Đáp án: came; was helping Hướng dẫn dịch : Khi bố An đến đón con rái cá ở trường, tôi đang giúp An làm bài tập.

When An's father (come) to pick her up after school, I (help) An with her homework.