—Why didn’t you keep your words Billy?—Sorry dear. But I really forgot where I was to me

问题补充：

—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

答案：

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， besupposedtodo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。