24. Mr. John, accompanied by several members of the committee,………. . proposed some changes of the rules.
a. have b. has c. are d. is
25. The flock of birds…………. . circling overhead.
a. gets b. are c. is d. get
26. The levels of intoxication…………. from subject to subject.
a. has been varied b. have been varied c. varies d. vary
27. The majority of the students………. . him to be innocent
a. was made b. believe c. makes d. make
28. The pair of the pliers………. . on the table.
a. was b. were c. put d. puts
29. The use of credit cards in place of cash………. . increased rapidly in recent years.
a. have been b. has been c. has d. have
30. Advertisements on television…………. . becoming more competitive than ever before.
a. has b. have c. are d. is
Loga
Sinh Học lớp 12
