Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đáp án (Đề 4)

My mother is ________ in her use of gas when cooking.

7/96

SECTION II: LEXICO – GRAMMAR (7.0 POINTS)

Part 1: Questions from 16 to 35. (3.0 points - 0.15/ each)

Choose the best answer to each question.

My mother is ________ in her use of gas when cooking.

economized

economizing

economical

economic

Giải thích

Chọn đáp án C