1. What (wear)? * are you going to wear
is you going to wear
2. I ... wash my car. *
am going to
is going to
3. I'm really thirsty after all hard work. I ...(make) some tea. *
is going to make
will make
4. -Did you give Steve his present? - No. I (give) it to him tonight at dinner. *
am going to give
are going to give
5. Next year we (travel) together around Europe. *
will travel
am going to travel
Firstly,russuians usually cede pleces to aged people in the bus. We take care about our elderly. This rule should be known to you,for sure.
Secondly,russians usualy take off their footwear before entering the house. Perhaps,it could seems rather strange. But this is russian behaviour rule.
Thirdly, we usualy say "enjoy your meals" to each other before dinner,supper. It's not typical for your country,isn't it? Also,when russians have a meet they can kiss each other. We don't open gifts out of hand,which was presented to us. There are many another rules. But, we have to remember foreigners don't aware about all our rules and as long as you staying friendly and polite don't worry about your a little bit strange behaviour.
Вот исправленный вариант.