1. --- Do remember to get in the clothes in case it rains.

 --- ______.

 A. Of course not.    B. Take your time.      C. Got it.            D. Don’t mention it.

2. ______ environment is getting worse and worse because we human go against ______ nature.

 A. The; the               B. The; /                     C. An; the              D. /; the

3. White papers have played a more important role in introducing China to the world, with more white papers ______ by the government in 2011 than any other year.

 A. published       B. to publish            C. publishing       D. being published