. –What’s the temperature today? --It’s 5 ℃ below _____. It is _____ cold.

Annie Salmon, disabled, is attended throughout her school days by a nurse _______ to guard her.

— O’Neal works hard.— So he does. He is often seen _____ heavily before his teammates have even arrived at practice.   

There are some health problems that，when ________ in time，can become bigger ones later on.                                                         (2013·浙江，19)

Many died from the diseases ______by the Europeans.