72. The number of schoolboys in my class____ twenty. A) am B) is C) are D) be 73. A large number of the applicants____________ A) has already been interviewed B) have already been interviewed C) already has been interviewed D) already have been interviewed 74. The secretary and the accountant of the company _________yet. A) do not come B) does not come C) has not come D) have not come 75. So far everything________ all right. A) is B) has been C) have been D) are 76. His family _______a rich family. A) is B) are C) be D) to be 77. Twenty five dollars________ too much to pay for this book. A) seem B) seems C) to seem D) seeming 78. There______ the cattle in the field. A) is B) are C) be D) to be 79. He looks sad because no one_____and believes in him. A) understand B) understands C) to understand D) understanding 80. Many teachers and students_____at the lecture last night. A) is B) are C) were D) was