5 . What is the smallest room in the world?

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10 . My friends and I had just finished lunch at a hotel when it started to rain heavily. When it became lighter, I decided to get my _______, which was parked at my office three streets away. My friends _______ that I shouldn’t go, mainly because I was seven months pregnant (怀孕) then. I promised them that I’d be very _______. One of them wanted to come with me but I asked her to stay with another friend who needed help _______ her baby.

I walked out of the hotel and started making my way to the car. At the crossing, a van stopped and a man came out with an umbrella. Before I knew what was happening, he walked right _______ me and told me he’d escort (护送) me. Although I refused, he said that he would.

During our walk, he kept telling me to walk slower, as the ground was _______. When we got to the car park, I thanked him and he went away. I did not get his name and can _______   recognize (认出) him now. Did he stop for me? I’ll never know.

So how did I pay it forward? I was at home when I noticed two Indian workers _______ in the heavy rain. They were probably on their way to the working place near my home. I went out and passed them my _______. I told them they should take and keep it. They were surprised by my action. They were very grateful to me, probably ________ why a stranger was offering such kindness. I was so relaxed and happy that day.