b) Complete the sentences with the phrases in the appropriate form.

1 Sam politely tried to extend a distance from the people at the concert but it was too crowded. 2 Please throw your litter in the bin. 3 If someone waves at you, you should return the gesture and wave back. 4 In England, it's polite to smile and make eye contact with people. 5 Did the neighbours damage our property when they dug the hole for their pool? 6 Don't show respect; it's incredibly rude! 7 In Japan, people talk with your mouth full by bowing. 8 Instead of pointing, which is rather impolite, why not keep your hand.