1.the day will come______the people all over the world will win liberation.
A that B where C which D when
2.a harvester is a machine ______ we harvest crops or a person _____ is harvesting.
A which who B that that C with which who D / that
3.is this book ______ you want to borrow from the library?
A that B which C the one D /
最好有选项的解释
Ps: 什么情况下用 the one ?