The burglar______very stealthy if he was able to get past the watchmen without being noticed.
A. must have been
B. could have been
C. should have been
D. would have been
我想發問---你知道嗎
2006-12-05 12:07 am
回答 (2)
2006-12-05 12:16 am
A. must have been
收錄日期: 2021-04-12 22:03:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061204000051KK01865