Bộ 5 đề thi giữa kì 1 Tiếng Anh 12 Global Success có đáp án - Đề 4

It encourages everyone to turn (14) non-essential electric lights, for one hour, from 8:30 to 9:30 p.m. on the last Saturday of March.

14/40

It encourages everyone to turn (14) non-essential electric lights, for one hour, from 8:30 to 9:30 p.m. on the last Saturday of March.

up

down

off

on

Giải thích

Choose C