Form of the words: The ... tour of Ho Chi Minh City is very interesting. (sightsee). Most accidents can be avoided if people pay more ... (attend)

Form of the words:
1/ The ... tour of Ho Chi Minh City is very interesting. (sightsee)
2/ Most accidents can be avoided if people pay more ... (attend)
3/ The fans were extremely ... because their team lost. (appoint)