问题
选择题
The question is ______can be put into practice.
A．how you have learned
B．how what you have learned
C．that why you have learned
D．how that you have learned
答案
答案：B
考查名词性从句。此句话是一个表语从句，表语从句的主语为what引导的主语从句。选项中you have learned后缺少宾语，故用的what，句意：问题就是你如何把你所学的东西用到实践中。所以选B。