1) They are the students of
the 10th (grade)
2) We like to wear a (school) uniform.
3) My little sister would like to be a (grown)-up today.
5) (Drama) and (Science) (are) subjects in the UK.
1) creative
work/person/imagination;
2) angry face/voice/mood;
3) independent life/state;
4) foreign country/language;
5) dull book/film;
6) sociable child/people;
7) unfriendly act;
8) responsible worker/position.