經典句型:These books are overdue. 這些書過期了。

A:I'd like to return these books.
甲:我要還這些書。
B:These books are overdue.You have to pay a fine.
乙:這些書過期了。你需要交罰金。
A:How much should I pay?
甲:我需要交多少錢?
B:Fifty cents.
乙:50美分。

經典句型:These books wer due last friday. 這些書應上個星期五就還。

A:Are these books overdue？
甲:這些書過期了嗎?
B:Yes.Theses books wer due last Friday.
乙:是的。這些書應該上個星期五就還。
A:I forgot to renew them.
甲:我忘了續借了。
B:You have to pay a fine first,and borrow them again.
乙:你必須先交罰金，然后再重新借閱。
A:I see.
甲:我知道了。

句型講解：
overdue的意思是“過期的，延誤的”。如:an overdue bill過期的賬單，an overdue train 晚點的火車，an overdue check過期支票，overdue debt 過期債款。