1. заполните пропуски артиклями . mr. smith bad to send lot of papers by air mail to friend in another country. he put them all in big envelope and took it to post-office. "how much is this? " he asked clerk. "you'll have to pay lot for this," said man in post-office. " parcel is rather heavy. must it all go by air mail? " "yes, it must. how much is it, please? " " minute, please," said man. "i'll ask manager." he soon came back, saying that mr. smith would have to pay two pounds.