请问这4道题该怎么解答，我不确定答案。。。

请问这4道题该怎么解答，我不确定答案。。。
1、Everything in a space station is very comfortable to make life easy for ________ astronauts.
A.a B.an C.the D.
2、Ronaldo,the footbal player,didn't feel ________ ,so he had to leave the green field.
A.bad B.badly C.good D.well
3、-- _______ you _______ the news of the Air Attack in Libya this morning?
-- Yes,of course.What a pity!
A.Do...watch B.Did...watch C.Will...watch D.Had...watched
4、According to the new rules,people in the city center are allowed to _______ just one dog in each family.
A.take B.buy C.bring D.keep