Mark's made an appointment to see the dentist next friday.
mark: "i the dentist next friday."
a am seeing
b shall see
c am going to see
d see

ответ:

c, i am going to see the dentist next friday

ответ:

mark: "i the dentist next friday."   - a am seeing

запланированное действие - используем present progressive

можно написать , общение с екскурсоводом про вашу эксурсию, что , какие експонати есть в музее и т.д.

hello mother! how are you? i spend my time very good here.

hi dear! i am glad that you like moscow. what do youhavetime towatch?

i have already  been tothe tretyakovgaleree.there is very interesting.but i have not seen  the kremlin  yet.

what are youstill doing?

well,i was walking around thegorky parkthe day before yesterday, andyesterday afternooni was watchinga football matchinluzhnikah..i really liked it!

very good! what do you think about their food?

i have tasted russian food and i like it very much.especiallysoup andpieswith cabbage

what are yourplans for theremaining days ofvacation?

of course i wantto go to thekremlin! and idid not buysouvenirs, so i wantto go toarbat.therea lot of interestingthingsyou can buy.

well, that is nice! have a good rest!

thank you mother. see you