Tina _____ have known the truth, or she would have told us.
A、mustn'tC
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Partoftheworkistobefinishedtodayand______bythisweekend.
Thereweremanymorepeoplewhogotinjuredinthebigfirethan_______.
This robot is supposed to save a lot of labor, but it remains a problem if it ______.
Part of the work is to be finished today and ______ by this weekend.
"______thefriendshipbetweenourtwopeoplelastforever!",andwiththissincerehope,thepresidentconcludedhisspeech.
