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.
7. He took the poor children under his ________（保护）.
