—Which share is meant for me?—You can take ________ half. They’re exactly the same. 

(2013·山东济宁模拟)When you are done with the book, go out for a walk or ________.

(2014·石家庄高中复习教学质量检测)Seeing a large crowd at the street corner，I became aware of________unusual happening.

. _____ can be enjoyed until you have a deep understanding of the low-carbon lifestyle.

We had to be patient because it＿＿＿some time ＿＿＿we got the full results.