It can’t be a(n) _____ that four jewelry stores were robbed in one night.
32.She shouldn't be working so hard —She is 70, ___ .
31._____Tom has no interest in piano, there is no point pushing him to learn it.
30.—Peter looked tired and a little absent-minded at the meeting. —He _____ up too late.
29.His humorous closing speech was a welcome addition to the ______dull meeting.
28.The government had hoped to draw as much attention as possible to this problem but it didn't ______ that way.