(要给出答案并说出相关语法和知识点,否则不给分)

(要给出答案并说出相关语法和知识点,否则不给分)
1.The doctor_____the crying baby,but he couldn't find out what was wrong with it.
A.looked over B.looked after C.looked for D,looked out
2.Brian is so kind that he ofen gives me a_______when I'm in trouble.
A.reply B.seat C.hand D.reason
3.-How long will you stay here?
-I think I will be here for_____ more days.
A.few B.a few C.little D.a little