Translation Translate the following sentences into Chinese. 3. H

Translation Translate the following sentences into Chinese. 3. He watched very carefully till all had left the house, and it was difficult to catch him in the act.
【正确答案】:他非常仔细地监视着,直到所有的人都离开了房子,很难当场抓住他。
【题目解析】:P193