Объясните разницу между prolong и extend

Они синонимы,но prolong чаще используется в значении продлении чего-либо во времени, а не в пространстве,как в случае с extend

the young man was in love with a beauty. they met very often and spent a lot of time together. they talked about interesting books, films about theatrical work. Once a girl said to a young man: - Tomorrow is my birthday. Will you come to celebrate it with other friends? “Oh, of course, thanks,” said the young man. “But first I will send you roses,” said one of the sellers, “so that you send them to the girl the next day.” The man in the store knew the young man very well, because he often bought flowers at his store.

1.Do you want to go somewhere?Хотите поехать куда-нибудь?

2.What kind of transportation do you like? какой вид транспорта тебе нравится?

3. Is tourism a profitable business? Туризм - выгодный бизнес?

4. Who were the first travellers? Кто был первым путешественником?

5.Whom do you like to travel with? С кем ты любишь путешествовать?

6.Why do we buy tickets beforehand? Почему нужно покупать билеты заранее?

7.What do you do during your vacation? Что вы делаете во время вашего отпуска?

8.What countries depend mainly on tourism? Какие страны зависят от туризма?

9. What is the most interesting means of travelling for you? Что в путешествии для тебя самое интересное?