Without proper lessons, you could _________a lot of bad habits when playing the piano.
____ no cash for food, he broke into an old woman's house, hoping to steal some money.
The Internet and the effect______ brought about did a lot of good to our daily life and work.
______ Flying Luxury Hotel of Tomorrow is ______ huge 400-ton aircraft without wings.
If we go on using energy so wastefully, __________ are that our oil wells will be dried up before new energy sources can be found to replace oil.
Sometimes the expert ________ a task from a historical point of view.