WHEN CAN WE SEE MERCURY

44. - DAP AN DE THI THU TOT NGHIEP 2011
Tiếng Anh DAP AN DE THI THU TOT NGHIEP 2011

44. When can we see Mercury? - We can see it ________

A. just before sunrise. B. after the sunset .

C. both A and B are correct. D. just before the sunset.