Đề thi chính thức Tiếng Anh vào 10 năm 2020-2021 (Đề 5)

She did all the housework ______ because her mother was sick.

19/50

She did all the housework ______ because her mother was sick.

with herself

on her own

in mind

by heart

Giải thích

Chọn đáp án B.