ONLY 30 ... OF THESE PUPILS PASSED THE EXAMINATION.A. PER CENTB. P...

36. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

36. Only 30 ... of these pupils passed the examination.

a. per cent

b. per-cent

c. per cents

d. per-cents

 a