The stronger the ___________ is, the more quickly a person will learn a foreign language. That is to say, it is up to whether he has an interest in the foreign language. 

 There existed an obvious________ between the accounts of the witnesses, so a judgment was not announced in court.

New mineral resources may be discovered during the forthcoming Antarctic _____.

Out of ________ for the homeless, I gave them shelter for the night.

(2014·福建省普通高中质量检查)Because of H7N9 bird flu，all the chicken markets in Shanghai  have been closed and won’t open until further________.