单项选择题
W: Is Anderson hungry M: I don’t think so. If he were, he would tell us.
A. Anderson is hungry. B. Anderson is not hungry. C. Anderson is full. D. Anderson is not full.
A. He caught a cold. B. He had a bad stomachache. C. He went there to have a general medical examination. D. He went to see his friend in the hospital.
A. Boss and secretary. B. Customer and repairman. C. Operator and caller. D. Librarian and student.