问题补充：
— Can I help myself to something to eat?
— Of course, you are to, you are our guest.
A. required
B. requested
C. hoped
D. expected
答案：
A. required
B. requested
C. hoped
(答案→)D. expected
解析：required需要，要求；requested请求，索取；hoped希望；expected期望，要求，句意是---我可以自己选择吃什么吗？---当然，只要你喜欢，因为你是客人，故选D。
