Напешите 2 диалога выбрав 1 вещь на каждый диалог и употребляя вот это слова:
1)This is for you.
2)That, s very kind of you.
3)Try it on and see if it fits.
4)What do you think?
5)It matches the colour of your eyes.
6)I hope you like it.
7)Are they your size?
8)Ttey're too big.
9)You can exchange them.
10)Thanks
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Диалог 1.

Jim: Here`s my present. I hope you like it.

Billy: That`s very kind of you! I`v always wanted cap like this!

Jim: I`m glad you like this. Try it on and see if it fits.

Billy: I think this is coll. What do you think?

Jim: It matches the colour of your T-shirt. I`m glad you liked it.

Диалог 2.

Jim: This is for you.

Shelley: That`s very kind of you! What is it?

Jim: Open it and see.

Shelley: Wow. It`s a lovely skirt.

Jim: I`m glad you like this. Are they your size?

Shelley: Oh, no. They're too big.

Jim: That`s all right. You can exchange them.

Shelley: Thanks

Jim: Don`t mention it.

Вроде так, если каждый диалог нужна была новая вещь. Если я не правильно поняло, то можно просто слово поменять.