1 their

2 Peter's

3 mine

4 boys'

5 her

6 ours

7 yours

8 her

9 their

10 hers

1 Although => However

2 however => but

3 However => but

4 But => although

5 although => but

41 B => play

42 B => do

43 He is not old enough to play this game

44 I used to come to the cinema with her

45 They are going to invite her to come over for dinner tonight

46 Who helped you tidy the house yesterday

47 Where did he use to live

48 What should student do everyday

49 There is a lighting fixture above of the dining table 

50 my Son is old enough to take care of himself 

41. to play -> play

42. B. doing -> do

43. He is not old enough to play this game

44. I used to come to the cinema with her

45. They are going to invite her to come over rfor dinner tonight

46.Who helped you tidy the house yesterday?

47. Where did she use to live?

48. What should students do every day?

49. There is a lighting fixture above the dining table.

50. My son is old enough to take care of himself

DEEZS NUTS

1 C

2 A

3 A

4 B

5 A

1 C => collector

2 A => traditionally

3 A => which

4 B => to open

5 A => spending

1 B => the most beautiful

2 B= > slowly

3 D => in

4 B => would stop fighting

5 C => so

1 rises

2 doesn't rain

3 moves

4 is

5 to play

V

1 B => are

2 A => less

3 B => lost

4 A=> shouldn't eat

5 A => have