He was lost in the busy streets. But at last it was of him to find the way home.A. lazy B

问题补充：

He was lost in the busy streets. But at last it was of him to find the way home.

A. lazy

B. tough

C. clever

D. natural

答案：

A. lazy

B. tough

(答案→)C. clever

D. natural

解析：A.懒惰的 B.艰苦的 C. 聪明的 D. 自然地。句意：他在繁忙的街道上迷路了。但是最后他很聪明的找到了回家的路。