Ответ:

2.

1. I'm going to visit my cousin in July.
2. This social network will be very popular with teenagers.
3. Hugh is going to sing a song at the school concert.
4. My dad will definitely not pick up the spider.
5. I am complaining to the director about the lifts.
6. Harry is posting a Tweet about the Judo competition.

3.

A: Where are you going to spend Easter?

B: Karin and I are going on an Adventure holiday.

A: Fantastic! What activities are there?

B: Oh, lots! Look, here's the information. But i will not go rock climbing. I hate heights.

A: Oh, wow! There's sailing! are you going to sailing?

B: No, I will not. I can't swim and we are too busy with the other activities!

A: So when are you going to leave?

B: We will take the bus on friday evening.

A: Well, send us some photos.

B: I don't think we can post photos -- there's no internet! But I will write a blog post about it when i get back.