Give the correct form of the word in brackets to complete the following sentences :
1, A tour of the theatre is available by prior ________ . ( arrange )
2, There was an air of ________ about him . ( fragile )
3, Don't let him ________ you like he did at the last party . ( monopoly )
4, North - west of our country is a _______ region . ( mountain )
5, It's ________ for apple trees to flower so early . ( usual )
6, He's not very good at _______ his worries . ( share )
7, There was a complete _______ sitting at my desk . ( strange )
8, That afternoon we went _______ on the desk . ( skate )
9, Popular water sports include swimming , _______ and water - skiing . ( surf )
10, Planing permission is not ______ needed . ( usual )