. When your parents haven’t your letter for a long time they will worry about you.A. heard

问题补充：

. When your parents haven’t your letter for a long time,they will worry about you.

A. heard

B. heard from

C. received

D. accepted

答案：

A. heard

B. heard from

(答案→)C. received

D. accepted

解析：考查词义辨析：A. heard听见B. heard from收到某人来信，后面接人，C. received客观收到 D. accepted主观接受，句意：如果你父母一直没收到你的信，他们会担心的。选C。