内容正文:
情态动词
1. He _____ you he was a qualified agent, but the truth is quite otherwise.
A. must tell B. could tell C. should have told D. might have told
【答案解析】 D
【详解】考查推测句。句意:他可能告诉过你他是一个合格的代理人,但事实刚好相反。A. must tell肯定告诉;B. could tell可能告诉;C. should have told本应该告诉;D. might have told可能告诉过。根据句意和宾语从句的was判断,此处是对过去情况不太确定的推测,应用might have done“可能做过某事”,故选D项。
2. Whatever_______happen,we are not going to give up our determined plan.
A. may B. must C. can D. should
【答案解析】 A
【详解】考查情态动词。句意:不管发生什么,我们都不会放弃我们的计划。A. may可能 B. must 一定 C. can可能 D. should应该,根据情态动词用法,may表推测时通常用于肯定句或否定陈述句,一般不用于疑问句。表示较小可能性时用may。must用在肯定句中表示较有把握的推测,意为:一定 。can表示理论上的可能性,即从理论上或逻辑上分析是可能的,但实际未必会发生。本题中,不管发生什么,这种事有可能发生。选项A符合题意。故选A项。
3. — Henry was forced to leave for the invalid visa.
— He__________the period of time
A. should have extended B. must have extended
C. may have extended D. would have extended
【答案解析】 A
【详解】考查情态动词+have done的结构。句意:——亨利因为签证无效,而被迫离开。——他本应该延长时间的。should have done本应该做某事,实际上没有做某事。分析句子可知,上文说亨利被迫离开,所以推断下文应该是本应该延长时间,但实际上没有,故选A。
4. Those charged ______ mend their ways within given periods, and those failing to do so will be shut down.
A. shall B. may C. can D. could
【答案解析】 A
【详解】考查情态动词。句意:那些被指控的厂家必须在所给期限内做出整改,而没有这样做的将会被关停。分析句子可知,这里的mend their ways明显指的是依据相关规章、法令要做的动作,这种情况要用情态动词shall。故选A项。
【点睛】情态动词shall用于第三人称作主语的陈述句中,表示条约、规定、法令等文件中的义务或规定,在该小题中是适用的。
5. Imitating others’ actions in Tik Tok _____ be very dangerous, so you can’t be too careful.
A. should B. shall C. might D. can
【答案解析】 D
【详解】考查情态动词。句意:在抖音里,模仿别人的行为可能非常危险的,因此你要谨慎点。A. should应该;B. shall将、会;C. might也许;D. can。句子描述可能发生的事情,情态动词can可以用来表示可能性,意为“可能、可能会”。故选D。
6. I ______ my friends and s during the Spring Festivals, but I had to stay home because of COVID-19 outbreak.
A. should visit B. might visit
C. would have visited D. must have visi