We should prevent pollution ______ happily.
We could see the temple quite clearly from _________we lived.
--Excuse me. Is this the right way to No.1 Middle School?--Sorry, I am not sure. But it ______ be.
I’d appreciate _______if you would like to teach me how to use the computer.
The British are not so familiar with different cultures and other ways of doing things, _____ is often the case in other countries.
When you learn a foreign language, ________you must forget your own one.