选择括号内恰当的单词或词组填入空白处，使句意完整、正确。
1.— Where is Fujian? — It's in the____(southeast, northwest) of China.
2.— You are always____ (careless, careful). I think you can pass the exam.  — I hope so.
3.— Do you often do anything to____ (protect, pollute) the environment?  — Yes. I'm a greener person.
4.— Did you take any photos yesterday?  — No. I forgot to take a ____ (camel, camera) with me.
5.—What do you think of the food?   —It ____(tastes/ looks) delicious.