1．The company produces its own training ________ (材料)．
答案：material
2．There was only a ________ (窄的) gap between the bed and the wall.
答案：narrow
3．We had to move ________ (在(房间)内) when it started to rain.
答案：inside
4．He is the finest ________ (活着的) pianist in China.
答案：living
5．The number of people employed in ________ (农业) has fallen in the last decade.
答案：agriculture
