ответ наверно так 1) how long have you been doing these exercises?
2) since when have you painted the picture?
3) how long has she been waiting for her lunch?
4) since when have they been grown these plants?
5) how long have you been staying at this hotel?
ответ:
150,8
вроде бы так посчитал
ответ наверно так 1) how long have you been doing these exercises?
2) since when have you painted the picture?
3) how long has she been waiting for her lunch?
4) since when have they been grown these plants?
5) how long have you been staying at this hotel?
ответ:
150,8
вроде бы так посчитал