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1.To write up his novel， John is looking for an environment free () outside distraction. ( )
2.Color-blind people often find it difficult to () between blue and green. ( )
3.Before we can pass you fit， you will have to ()a number of medical tests. ( )
4.Finding a job can be ()and disappointing， and therefore it is important that you are prepared.( )
5.The teacher asked each of us ()what he had been doing. ( )
6.()can theory be separated from practice. ( )
7.She insisted that what she had done right. ( )
8.I always () what I have said. ( )
9.The bossy manager is always finding fault with his().( )
10.All his evenings were () with study.( )
