【正文】
ining in this summer holiday. That was my first time that I had been to Beijing. I_____________________ the training center, which wasn’t ___________me . So I came into another training center, which was __________the one I wanted to go. However, I went into the wrong room. I had to take the lift _________________________ to reach the first floor. At that time, I happened to meet the trainer of the training center. had difficulty in finding familiar to similar to at the flick of a switch have much in mon with except filled up with standing in line It was obvious that In excha