分类：教育/科学-外语学习
问题：非谓语动词的练习题。寻解答。英语,在线等4._____thedi 
4. _____ the mond, he had to look for a place to hide it.　A. Having stolen B. Having been stolen　C. Stolen D. Stealing3. The dog, _____, will be made a good watchdog.　A. to train properly B. being trained properly　C. properly to train D. trained properly
回答：4. 选A
偷了钻石后他不得不找个地方把它藏起来。
根据句意，“他”和“偷钻石”是主动关系，故排除B、C
而“偷”发生在“找地方”之前，故用过去完成时，所以选A

3. 选D
这条狗如果训练得当，会是一条很好的看门狗。
很明显应选被动语态，插入语，这里省略了if
The dog, if trained properly, will be made a good watchdog.