If you        talk about it with me,please wait till I finish my work at hand.

 I can _____ some noise while I’m studying, but I can’t stand very loud noise.

A midday nap can not only ________ brain to its full awakeness best but also raise brain power beyond what it would have been without some shut­eye.

Agriculture _____ about 14 percent of global greenhouse gas emissions, and transporting the food around adds to the environmental cost.

The book which ______ at the end of last year turned out to be a great success in Shanghai.