第7题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. The man shouldn’t attend the exam. B. The man should ask his instructor’s opinion. C. Only a doctor can tell him what to do. D. The instructor won’t watch the students in the exam. 参考答案:B 答案解析:[听力原文]
M: I have such a bad ear infection that I won’t be able to come to the final exam this after
A. will take B. should take C. would take D. took 参考答案:B 答案解析:虚拟语气。我们必须采取措施保护臭氧层。▲在“It is/was+某些形容词”后的that从句中,常用“(should) +动词原形”构成虚拟语气,表示建议、惊奇等。这些形容词包括important,n