单选题
Which of the following sentences expresses "probability"?
A. You must leave immediately.
B. You must be feeling rather tired.
C. You must be here by eight o'clock.
D. You must complete the reading assignment on tim
A
B
C
D
【正确答案】
B
【答案解析】
[考点] 考查情态动词must的用法。
情态动词must表示命令或可能。A项意为“你必须马上离开”,C项意为“你必须在8点之前到这儿”,D项意为“你必须按时完成阅读作业”,这三项都表示命令。只有B项“你一定感到很累了”,是进行肯定的推断,表示可能,故选B。
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