—I'manewreader.Couldyoutellme

问题详情：

—I'm a new d you tell me ________？

— weeks, and you can renew them.

A．how long can I keep the books  B．how long I can keep the books

C．when should I return the books  D．when I should return the books

【回答】

B

知识点：定语从句

题型：选择题