Question

Answer 1

4 The other guests will start dinner before we arrive 

5 I wish the school holidays were longer

6 John is too young to join the club

7 It is necessary to blame him for his mistakes

Answer 2

4.The other guests will start dinner before we arrive

5. I wish school holidays were longer

6.John is too young to join the club.

7, It's very necessary for him to blame for his mistakes.