21 2.Would you like a cup of tea? - Yes, please. 
3.I' ve found a mone under the chair.  Is it your money? 
4.Would you like a banana or an apricot? - No,  then... Just a water, please. 
5.In the morning, mother leaves biscuits and some milk for me on the... 
6.I would like a glass of mineral water, please. 
22 The rock forest explore in the sentre of Siberia. The amazing stone towers are over 150 meters in height. The powerful stones stand along the Lena River for about 80 km. 
... That's why many tourists visit the fantastic forerst in summer.  Scientists explore the unique forest,  which can tell us a lot of interesting facts about our planets past. 
Только насчёт первого (22а)  я сомневаюсь, может, ты что-то не дофотографировал!