Question

8. We won't know what has really happened until the noise and excitement have         .

   A. put down   B. brought down

   C. settled down   D. turned down

Answer 1

8. C settle down意为"平静下来"；put down意为"放下;记下，写下"；bring down意为"使降下"；turn down意为"拒绝;关小一点"。