Question

Mary called her husband              home at once, because she lost her keys.

  A. to leave                 B. leave                        C. go                           D. to go

Answer 1

 D   本题考查非谓语动词。句意：玛丽打电话给她的丈夫让他立即回家，因为她的钥匙丢了。call sb. to do sth.意为“打电话让某人做某事”，为固定搭配，leave意为“离开”，go意为“走，去”。由句意知选D。