The number of people present at the meeting ______ about one thousand, a large number of whom ______ experts from abroad.
35. The national Education Department says school safety has set off alarm bells with frequent serious accidents_________students got injured or even killed.
34. ---I heard you almost missed the train.---Yes. I got to the railway station with only five minutes to_______.
33. Being able to speak another language fluently is a great_______when you're looking for a job.
32. Alice’s father always brings her a nice gift_______he returns home from his business trip.
31. All his attention______on the computer game, so he even didn't notice his mother enter the room.