THEY HAVE LIVED IN THIS CITY ………TWENTY YEARS OF THEIR LIFE.A. AT...

229. - E 10 BAI TAP TRAC NGHIEM GIOI TU
E 10 BAI TAP TRAC NGHIEM GIOI TU

229. They have lived in this city ………twenty years of their life.

A. at B. during C. since D. for