John's score on the test is the highest in the class ; （）he last night.
A、muststudyC
「句意」约翰的考试分数全班最高;他昨天晚上一定学习了。
「难点」表示对过去某一动作行为的猜测须要用musthavedone这一句型结构。
Wecanhear____fromthebackoftheroom.
_____,hecannowonlywatchitonTVathome.
A leading ___________ intelligence and operations company has released its analysis of worldwide reported incidents of piracy and crime against mariners.
—Canyoutakethedayofftomorrow?
—Well，I‘allhavetoget（）frommyboss.
一女性患者，50岁.有风湿性关节炎史，现心悸不安，胸闷不舒，心痛时作，舌质紫暗，脉涩，其治疗应选用
