“In no place in China Rugao _____ a long life span”, the official said proudly when showing the guests around the city.

下列各句中，加点的成语使用恰当的一项是（ ）

It is reported that amounts of investment in the area_____________2 percent annually during he past two years

Has Sam finished his report—I have no idea. He _______ it in his office the whole morning.

What happened to him —He was murderlast week. A．guiltyof