—Why didn’t you keep your words，Billy?
—Sorry, dear. But I really forgot where I was to meet you.
A. demanded
B. imagined
C. supposed
D. guessed
网友回答
A. demanded
B. imagined
(答案→)C. supposed
D. guessed
解析：考查词组：A. demanded要求B. imagined想象C. supposed猜想D. guessed猜测， be supposed to do在此句中表示“应该做某事”。句意：“比利，你为什么食言？”“对不起，我真的忘记了我应该在什么地方见你”。选C。