Đề thi chính thức Tiếng Anh vào 10 năm 2020-2021 (Đề 4)

The light went out while he _______ dinner with his family.

8/40

The light went out while he _______ dinner with his family.

had

have had

was having

is having

Giải thích

Chọn đáp án C.