still have a headache, Billy— No, it’s ________. I’m all right now,mum.

－Why are there a lot of dead fish inthe river －Because they were ______ by the polluted water. A.caught B.poisoned C.burned D. protected

It’s unimaginable that such a top student as Jane 　　　　cheat in the exam.

Over the past decades, sea ice _______ in the Arctic as a result of global warming

What do you think of the terrorist attack in Xinjiang—Terrible. It has changed people’s daily life ________.