Combine each pair of sentences, using suitable relative pronouns or relative adverbs

Combine each pair of sentences, using suitable relative pronouns or relative adverbs:
1. A bus goes to the airport. It runs every half an hour. … …
2. Petr is studying French and German. He has been abroad. ……
3. You’ve all met Michael Wood. He is visiting us for a couple of days. … …
4. We are moving to Manchester. Manchester is the North West. … …
5. I’ll stay with Adrian. His brother is one of my closet friends. … …
6. The Earth is a planet. It can support life. … …
7. The book is about the girl. She runs away from home. … …
yêu cầu lm hết bài, pk có giải thích