The driver was at ______ loss when ______ word came that he was forbidden to drive for speeding.
34. Is this the reason ______ at the meeting for his carelessness in his work?
33. Great honors will be given to ______ have successfully rescued the victims of the earthquake.
32. The traffic problems we were looking forward to seeing ______ should have attracted the government’s attention.
31. The decision ______ Internet addiction(成瘾)as a mental disorder has caused much debate.
30. As we watched the panda, we stood still, ______ to one another.