As I looked at the memorial, I thought about ____ terrible disaster it was for the people in Nanjing then and ____ they were to fight the Japanese invaders.
—There is still a copy of the book in the library. Will you go and borrow ____?—No, I’d rather buy ____ in the bookstore.
We must take measures to stop various kinds of pollution ______ the environment gets worse.
The rumor has been confirmed __________ UN peacekeeping forces would take operations in the region .
Hearing his friend calling him , out __________ .
Whatever happens, you may depend on ________ that I will be with you.