How is the man injured in the earthquake—The doctor said if ________ in a proper way，he was likely to be saved.

While our city tries impatiently to change its appearance by tearing down old buildings, more and more citizens are suggesting ways to ____ the historically important architecture．

The last few years ________ many disasters in and out of China, from earthquake to drought.[ ]

I really apologize for not being able to join in your birthday party. –________. We’ll get together later.

Much ______ to be done.