—_________ should I wash my face? — Twice a day.
—Hello, may I speak to Mr. Li?—Oh, sorry! He__________to Hong Kong. He will come back in three days.
Some students often find _______ difficult _______ remember the English words.
There is _________ in today’s newspaper , we’re all _________ in it.
A ____ girl named Dong Xinyi looked after her disabled(残疾的) father.
It’s very late now. It’s time ______ goodbye.