Question

3. Difficulties and failures did not        down his enthusiasm.

   A. get   B. bring

   C. damp   D. let

Answer 1

3. C damp (sth. ) down意为"使降低，使衰减"； get (sth./sb. ) down意为"吞下;记下；使沮丧"；bring (sth./sb. ) down意为"使落下；使泄气"；let (sth./sb. ) down意为"把……放下来；把……加长;令……失望"。