He has been selling motorcycles_________.
Đáp án B
Câu sử dụng thì hiện tại hoàn thành và for + 1 khoảng thời gianWhich 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?