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169. The twin brothers look very s______. I can’t tell one from the other.

168.---How do you think about his explanation?

---I don’t think it makes s_______.

167. All of a s_______, the ship hit an iceberg and came to a stop.

165. The young man s______ away all the difficulties and won in the end.

166 Since we are good friends, we should s_______ our happiness and sorrow.

164. He was too frightened to say a s______ word.

163. Had I realized the importance of learning English, I would have taken it more s_________.

162. Having s_______ such heavy loss, the businessman didn’t have the courage to go on.

161. She is in a poor s_______ of health. I think she needs to see a doctor.

160. S_______ to me or you’ll get lost in the crowd.

Part 17: (page 161---170)

159. I s________ for three nights at the hotel during my visit to Shenzhen.