THESE NEW MACHINES HAVE PUT AN END TO QUEUING, A. THESE...

53. - DE THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh DE THI THU DAI HOC MON ANH VA DAP AN
53. These new machines have put an end to queuing, A. These new machines have a special function in putting an end to queuing. B. Putting an end to queuing depends on these machines. C. People have to queue before these machines. D. Before these new machines were invented, people had to queue.