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:考查词义辨析。lazy 懒惰的,tough 艰难的,clever 聪明的,natural 自然的,句意:他在繁忙的大街上迷路了,但是最后他非常的聪明找到了回家的路。所以选C。