________you start a task,you must finish it on time.
A.Unless B.Until C.Though D.Once
—What if the robot________right as it is serving hot soup or tea?
— I can’t imagine it
A.breaks out B.breaks down
C.breaks up D.breaks into
—I like posting everything interesting on social media so that my friends can see what I________.
—Everything has two coins. Be careful your personal information.
A.will do B.have done
C.do D.did
A country________be full of hope and have a great tomorrow only when its younger generations（青年一代）have ideals（理想）, ability, and a strong sense of responsibility.
A.must B.may
C.should D.can
—I’m sorry________what I did several days ago.
—That’s not a big deal.
A.with B.over
C.of D.for
—I hate it when my parents asked me________about my problems that made me uncomfortable.
—Why not have conversations with them?
A.directly B.politely
C.kindly D.softly
