ALL OF US ARE WAITING FOR THE MAN ... SON WAS LOST.A. WHO B. WHICH...

18/ - BAI TAP TRAC NGHIEM ON THI TOT NGHIEP
BAI TAP TRAC NGHIEM ON THI TOT NGHIEP

18/ All of us are waiting for the man ... son was lost.

A. who

B. which

C. whom

D. whose