Безотлагательно!!! A Use a sentence from box A and a sentence from

Безотлагательно!!! A Use a sentence from box A and a sentence from box В to explain why people do / did / are going to do something.Model: A. I need a pen. В. I want to write a letter.
I need a pen to write a letter.
А
1. They're going to Moscow.
2. We went to Egypt.
3. He has just called Lena.
4. They're buying a tent.
5. I went to the shop for bread.
6. The Browns went to the airport.В
a) We wanted to swim in the Red Sea.
b) They want to go camping.
c) I have to help Mum.
d) They want to see Red Square.
e) They had to meet their friend.
f) He wants to invite her to his birthday party.