Question

 Lucy has a great sense of humor and always keeps her colleagues ________ with her stories.

A. amused                                                B. amusing

C. to amuse                                       D. to be amused

Answer 1

【解析】选A。考查非谓语动词。该空在句中作宾补，根据句意，her colleagues与它后面的动词有被动关系，故选A。