Although the new road is being used, it has not yet been       opened.

Environment-friendly Olympics requires Beijing to improve its environment,       turning it into an ecology-friendly city.

The doctor will see you again next week. _____, you must rest as much as possible. 

The incomes of skilled workers went up. ______, unskilled workers saw their earnings fall.

To be honest, I tend to agree with Shirley, though not _______________.