his arms s______ as he walked .m______ she comes from the usa.because she speaks american english.
问题描述：
his arms s______ as he walked .m______ she comes from the usa.because she speaks american english.
答
his arms swing as he walked .
他走路的时候手臂前后摆动.
maybe she comes from the usa.because she speaks american english.
她可能来自美国.因为她会说流利的美式英语.