Television has many advantages. It keeps us ____ about the ___ news and also provides entertainment in the house.
The work is not very profitable _______ cash, but I am getting valuable experience from it.
At last the determination and patience of the scientists _______in 1996 with a breakthrough -------- the cloning of Dolly the sheep.
I don’t think he will make a superstar like Cristiano Ronaldo. He just lacks it takes to be a professional soccer player.
It is______ that he has been addicted to the drugs and has difficulty quitting it.
Many air flights _________because of the eruption of the volcano, in _______case, many passengers had no choice but to take a train.