The Spring Festival is ________unique day for families. It is also _______ day for special foods like niangao.
—— Your father is very strict with you.____. He never lets off a single mistake of ours.
No sooner ____ to the station ____ the train left.
If you don't go, neither ____.
Only by practising a few hours every day ____ be able to master the language.
Not until I began to work ____ how much time I had wasted.