______, but the idea of having to work more than ten hours a day without weekends discouraged me. 

________ some of the orange juice and perhaps you will like it.

 —I read the 21st Century Senior 2 Edition every day.  —_____ no wonder that your vocabulary is so large.

     private cars are bringing us convenience, they may also cause traffic accidents and pollution.

There is no doubt _____ we will succeed if we try our best.