—Charlie has been nowhere       for three days. What has happened to him?

—Didn’t you know he had gone to Hong Kong?

A．in sight

B．in place

C．in face

D．in use

南亚地区面积最大，人口最多的国家是（）

A.尼泊尔

B.巴基斯坦

C.孟加拉国

D.印度