问题
选择题
Then I have learned there are a lot of troubles in our lives, but the problem is __________ they control you or you control them.
A．why
B．whether
C．that
D．what
答案
答案：B
考查名词性从句。句中whether引导表语从句，whether… or…表示“是……还是……”。句意：但问题是是他们控制你还是你控制他们。