题目

—Who is boy in a red cap? —He is Tom. He is on holiday in China. A . the; / B . the; the C . a; a D . a; / 答案：A4．东南亚流经国家最多的在我国称澜沧江的河流是（　　）A．湄南河B．湄公河C．红河D．伊洛瓦底江