I don’t know for sure how many of you would like to settle here ---- it is a(n) ______ of   personal preference.

Some countries are increasing their use of natural gas, and other forms of __________. 

 It’s unfair that he gets very little in       for his hard work.

 Tomato, which used to be called “love-apple”, is not ____but ______.

 David had prepared carefully for the exam so that he could pass it at his first ________.