A、Though sunshine is free, we still need to purchase fuel to operate a solar heating system. B、We need to purchase a solar heati

6. The Forbidden City is a heritage of the world. It doesn’t matter if the coffee shop is American, British or Ethiopian, as long as it is harmless.
7. There is no need to purchase fuel to operate a solar heating system because sunshine is free to everyone.
8. Jeffery continued giving his own opinion, regardless of my feelings on the matter.
9. Computer science employment is growing by 100,000 jobs annually, but there’s a dramatic decline in the number of students graduating with computer science degrees.
10. It was all but impossible to get to the top of a high mountain in such a short period of time.