A NUMBER OF STUDENTS ___________VOLUNTEERED TO THE JOB. A. HAS B....

12. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

12.

A number of students ___________volunteered to the job.

A. has

B. having

C. have

D. to have