根据句意及所给首字母提示完成句中所缺的单词1.With tears in her eyes,she was u____ to sa_英语解答

根据句意及所给首字母提示完成句中所缺的单词
1.With tears in her eyes,she was u____ to say a word.
2.Sound travels at the s____ of 340 metres a second.

人气：341 ℃　时间：2020-03-29 08:48:38

解答

With tears in her eyes,she was unableto say a word.
2.Sound travels at the speed of340 metres a second