2.No one knows the(important).........of the problem 3.(Luck).......,he has just had an accident 4.I am afraid it will be(convenience)...............for you to see him tomorrow 5.she looks(attract)..........in her new coat 6.(Friend)............is based on shared interest 7.I want to(large)......... the lawn 8.Your shirt is rather white in(compare)......with his 9.He gets very angry if you(agree)..........with his idea 10.Is there any(necessary).......to treat her so badly?