Đề thi giữa kì 1 Tiếng Anh 9 có đáp án (Đề 5)

I was listening to the radio last night when the doorbell rings

10/25

Each of the following sentences has one mistake. Identify and correct the mistakes.

was listening to the radio last night when the doorbell rings.

was listening

to

when

rings

Giải thích

Đáp án D -> rang