this is a book _____ which I spend 5 yuan.
问题描述:
this is a book _____ which I spend 5 yuan.
答
On,spend...on sth.
答
填 in ,spend sth in sth
答
on
spend...on...在……上花费……
答
这是一个定语从句,介词短语前置,spend...on...在……上花费…… 所以这里填on