chọn cụm động từ trong khung để điền vào chỗ trống : turn off, turn on, look for, look after, go on
( có thể lặp lại từ )
1) you must...the child carefully because he is playing with all these electric toys
2) i often...this smaill light to learn when i am in my own room
3) if there is no one in the room, don't...the tv
4) 'what are you doing there ?' ' i am ...a book on energy uses'
5) if you...using hot water for all your machine washes, your electicity bill will be highter
6) we can help save energy if we prepare food carefully before...the stove
7) offices should... all the lights during the night
8) during the daytime, when the room is light enough, don't ... the lights
9) let't work together to... a better way to reduce energy uses
Loga
Sinh Học lớp 12
