-This kind of sports is exciting.
-Yes, but it's dangerous. One can't do it_______ he or she has got some training.
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-Mr White asked me to remind you of the meeting this afternoon. Don't forget it !
-OK, I_______.
-___________late for the meeting next time.—Sorry ， I won ’t .
Afterashorttime,thebadnewshad_______alloverthecityandeverybodyknewit.
-This kind of sports is exciting.
-Yes, but it's dangerous. One can't do it_______ he or she has got some training.