ng the room,I found Mary____ at the desk and____a letter.

One concern people have now is ______ printing passengers’ names and ID numbers on tickets will make it harder to protect their private information.

________ everyone else wouldn’t go to the mountain area, he went without a second thought　

There will be a discussion tomorrow，all those who want to________，please raise your hand. [ ]

It’s reported that the fire that______ at two o’clock last night caused a lot of damage