Question

There is a wide ________of reference books to be found, so ________you look for some material needed, you can turn to me.

A．kind; the last time	B．sort; every time
C．variety; next time	D．type; the moment

Answer 1

C

句意：有各种各样的参考书可以被找到，因此下次你在找需要的材料时，你可以向我求助。短语：a wide variety of各种各样的，第二空：next time 引导时间状语从句。所以选C。