— Do you know something about Christopher Columbus?— He’s an Italian Navigator (航海家) who __________ America in 1492.
-This is a useful dictionary, I think. -So it is, and it’s ______ unusual one.
It will be 2 years _______ we see each other again.
The teachers hope all of us can hand _______ our homework _______ time every day.
It ______ me about 10 days ______ painting the walls.
Tom, it’s cold outside. _______ your coat when you go out.