At the railway station, the mother waved goodbye to her daughter until the train was .
I can tell you _________he told me last week.
This is the very place _______I’m wishing to live in.
Please pass me the dictionary _______cover is black.
We should learn from those ________ are always ready to help others.
—As a student, we should study hard.— Yes, ______ we study, ________ results we’ll get.