Bộ 40 đề thi Tiếng Anh vào 10 có đáp án - Đề 20

The average_______ of pocket money received by teenagers fell to £4 a week this year.

15/40

The average_______ of pocket money received by teenagers fell to £4 a week this year.

number

sum

digit

amount

Giải thích

Đáp án D