根據(jù)句意及中文提示,填寫(xiě)正確的單詞.
1.She can do it ____(獨(dú)自).
2.Zhang Hua helped Mrs Sun ___（撲滅）out the fire.
3.The man ___（受傷） his legs and arms in the accident.
4.I heard someone ___（唱歌）at that time.
5.He ___（沖進(jìn)） into room to save the little boy