①Your essay is too long. Please__________ (删减到)t0 500 words.
②The highways of Tibet__________ (被阻断)by thick snow in winter.
③It's impolite to ________ (插嘴)-let her finish it.
④I' cut down my smoking, maybe_________ (戒掉)entirely.
⑤The TV show________ (被打断了)by a special news report.