1. The manager _____ (雇用)another 20 workers for the new positions.
2. On just the second day of the trip，I was ______(咬)on the leg by a snake.
3. There is a _____ (凶猛的)dog to guard the house. Please knock at the door before you enter.
4. The book ______(包含)all the information you need.
5. His death means a great _____（损失）to science.
6. If you really like the job, _____ (距离) is not a problem.
