_____ many other developingcountries, has suffered the misery of war and experienced major changes overthe last 100 years

下列各句中，加点的成语使用恰当的一项是（ ）

What’s _________ matter with your mother— She has _________ bad cold.

More thanone student in our class _________ to Shanghai Expo

you can’t find a better job, why don’t youstick to the present one —Well, _____