What advice would you give to a tourist who...
a) is going on a package tour to Russia?
b) is travelling on his/her own?
c) is going to visit his/her relatives?

Use "should/must"
К каждому пункту по 3 предложения, всего выйдет 9
Спасибо:)

щас отдохну и буду 3 писать)

спасибо)

if he is going to visit his relatives he should give or bye a presents for they.After that , he must arrive to their house (or flat) and call in door bell.And finally, he should give them presents and have a good time with his relatives.)

здесь со скобками писать

удачи)