John'sscoreonthetestisthehighestintheclass;（）helastnight.
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must have done 这一句型结构。
Ifyouexplainedthesituationtoyoursolicitor,he_____abletoadviseyoumuchbetterthanIcan.
_____atinthisway,thesituationdoesn’tseemsodesperate.
Ifyou_____insuchahurry,you_____sugarintothesauceinsteadofsalt.
—Canyoutakethedayofftomorrow?
—Well，I‘allhavetoget（）frommyboss.
____youwerebusy,Iwouldn’thavebotheredyouwithquestions.
