I don’t know he tomorrow. I think if he , I’ll go to see him.

The workers demanded that their employer_____ their working conditions.

The biggest problem with Bob is that he never has got a/ an ___ goal in his life.

___1___ is known to us all is that China has launched Shenzhou VII spaceship, ___2___ made the country’s first spacewalk successful.

________ it was very hot, he still played basketball on the playground.— He is crazy about basketball.