.One advantage of eating a balanced breakfast is _____ it can keep you energetic throughout the day.
Nobody knows for sure what effect the global warming have _____ our environment in the long term.
Seeing the world-famous pianist standing in front of her, the young pianist ______ a cry of joy and surprise.
The thief trapped in the house _____ from the window but the fear of falling to his death scared him not to do so.
________ computer games, his parents were very worried about his study.
The train had left, so we could do nothing but ________ another.