IT IS BETTER FOR HIGH SCHOOL STUDENTS TO PARTICIPATE IN VOLUNTARY...

22. It is better for high school students to participate in voluntary activities.a. High school students should have participated in voluntary activities.b. It’s high school students’ duty to participate in voluntary activities.c. It’s high time high school students participated in voluntary activities.d. High school students had better participate in voluntary activities.Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response tocomplete each of the following exchanges.