---Mr Mu. When did the earthquake happen in Ya’an,----____8:20______morning of April 20th,2013.
A.On; in | B.At; on |
C.At; in | D.On; on |
---Mr Mu. When did the earthquake happen in Ya’an,----____8:20______morning of April 20th,2013.
A.On; in | B.At; on |
C.At; in | D.On; on |