What formal form does not have quite informal in the table?

Таблица:

A friend - A tube
Thank you - A guy
A man -
An underground - A loo
A toilet - Ta

Варианты ответа:

1) A man
2) A friend
3) Thank you

1)you  mustn`t    go out.it is raining heavily. 2)your room is messy.you  must  do your room and wash the floor.

1. i must brush my teeth. - anyone, most likely some disobedient child.

2. i have to brush my teeth. - a patient of dentist's, a human with diseased tooth.

3. i must tidy my room. - anyone, most likely some disobedient child.

4.i have to tidy my room. - anyone, probably a child.

5. i must take the medicine. - someone with easy form of illness.

6. i have to take the medicine. - most likely, a regular patient

  christmans is the  occasion in modern britain on which a lot of tradition   are preserved  by most ordinary people. in britain it  is celebrated on 25 december.today it is connected  with ''making money by shops'' that is now of tradition: most people follow  the tradition of buying gifts for their family members.people also buy a christmans tree.this tradition came from germany. it was introduced  in the nineteenth century.every christmas,london gets a gift from the people of norway-a christmas tree that is 23 metres high.it stands in the centre of london,in trafalgar square and it is decorated with 500 white lights. christmans is a time that unites anniversary  families. at night people get together to   mark  christmas. celebrating christmas includes  a christmas dinner and listening to the queeh's christmas  speech when the queen speaks directly to ''her'' people on tv and on the radio. there are many royal traditions in britain. the queen's telegram is not a very old custom but it is very old people. every british person gets a telegram from the queen on their ohe-hundredth birthday  . the changing of the  guard is very beautiful tradition.every morning tourists go to watch the ceremohy at buckingham palace. at 11.30 the guard that stands in front of the palace change.