I. Choose the best answer by underline the word 61. A large percentage of the older population is/are voting against her. 62. Two-fifths of the troops were /was lost in the battle. 63. Two-fifths of the vineyard were /was destroyed by fire. 64. Forty percent of the students is/are in favor of changing the policy. 65. Forty percent of the student body is/are in favor of changing the policy. 66. Two and two is/are four. 67. Four times four divided by two is/are eight. 68. The department members but not the chair has / have decided not to teach on Valentine's Day. 69. It is not the faculty members but the president who decide / decides this issue. 70. It were /was the speaker, not his ideas, that has/ have provoked the students to riot.