The old man has retired from the factory. He _____ there for 30 years. 

—What’s the noise outside? —The kids ______ in the garden.

---Do you know the great changes happening in our village at all?---No, it’s the first time I ________ here.

It was cold.The wind ___ hard and no one could be seen around.

Mr. Li        certainly        a new house if more new houses       .