The doctor often tells him _____________more exercise.
Onlywhenonelosesfreedom _______itsvalue .
I just wonder ____________ that makes him so excited.
Why do you look so upset?— Well, there are so many problems ______.[ ]
对下列句中加点字的用法，与例句相同的一项是（ ）例句：妪，先大母婢也，乳二世
