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。
Evenifhisletter____tomorrow，it____toolatetodoanything.
Indeed, it is arguable that body shattering is the very point of football, as killing and maiming___.
John's score on the test is the highest in the class ; （）he last night.
Mary tiptoed over and took the clock away because she hated to hear it（） when she was trying to go to sleep.
WhenthepoliceofficerswhotookpartintheKingbeatingwerefirstbroughtto___________,theirlawyersusedthevideotapeasevidenceagainsttheprosecution.
