Tổng hợp 20 đề thi Tiếng anh ôn thi vào 10 có đáp án - Đề 20

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

Đáp án C