Look, The boys and girls over there.
How do you like your Englsh teacher? — He is great. We friends since three years ago.
What kind of house do you want to have? Something big ? ——Well, it _______ be big.—That’s not important.
The new airport has been in _______ for two years and it _______ to be a quiet place.
Grace has ______China for five years. [ ]