THE ACCIDENT WAS SEEN BY SOME PEOPLE ________________ AT A BUS STO...

57) - 100 CAU TRAC NGHIEM TIENG ANH THANH BACH S TAM
100 CAU TRAC NGHIEM TIENG ANH THANH BACH S TAM
57) The accident was seen by some people ________________ at a bus stop. C. cash D. safe A. waited B. waiting