II.1d luggage

2a departure

III.1a must

2b can

3c these

4b was built

5c had helped

6d B and C are correct

7c are taken

8d decorated

9d might

10a might

11a if she had seen

12b how many planets orbit the Sun

13b placing

14a spaces

15a homeless

IV. 1 to go.. not to stay

2 asking..to avoid..meeting

3 walking...keeping

4 show..to go...to buy

5 coming..standing...waiting

V.1c because of

2b being down

3c threaten

4b for

5c to

VII.1. If you don't exercis more, you can't have a good health

2 Since the water is contaminated people get more diseases

3 Because of breathing in unclear air, my uncle  suffered from lung cancer

4 Sally thought aliens had very big heads and triangle faces

5 Mary has collected stamps since 2002

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~ 𝓒𝓱𝓲𝓵𝓵 𝔀𝓲𝓽𝓱 𝓶𝓮 ~