Housework is less tiring and boring thanks to the invention of__________devices.
Đáp án C
Environment-friendly: thân thiện với môi trường
Time-consuming: tốn thời gian
Labor-saving: tiết kiệm nhân lực, sức lao động
Pollution-free: không ô nhiễm
Which of the followings is NOT an evidence of monitoring studying?
Our flight was delayed, but the plane finally _______shortly after midnight.
According to the passage, to learn new information, low-achieving students do NOT______.
Which of the followings is the flow of water from the ground to the surface?