how long can I ? this novel填 A return B borrow C keep Dlend答句是Only two days.
问题描述：
how long can I ? this novel
填 A return B borrow C keep Dlend
答句是Only two days.
答
选B
答
how long can I ? this novel
Dlend
我可以借这本书几天？
答
keep
就是借多少时间的意思
一般这种四个词都可以的选择题就要看答句来推断
答
C keep借书