I FELT ________________ HAPPY AND SAD AT THE SAME TIME. A. BOTH...

17. - BAI TAP TRAC NGHIEM TU LUAN VOI BOTH AND NOT ONLY BUT ALSO EITHER OR NEITHER NOR A3957
BAI TAP TRAC NGHIEM TU LUAN VOI BOTH AND NOT ONLY BUT ALSO EITHER OR NEITHER NOR A3957

17. I felt ________________ happy and sad at the same time.

A. both B. neither C. either D. not only