Составьте сложноподчиненное предложение из двух частей, используя подходящий союз. 1. Only the concrete skeleton of the factory remained. There was a fire. 2. The whole house shakes. A train goes past. 3. The bridge was old. It was reinforced with steel girders. 4. You want to speak to me. Learn English.

There was a fire, so only the concrete skeleton of the factory remained.
The whole house shakes, when the train goes past.
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If you want to speak to me, you should learn English.