Explanation:

i) destroyed

ii)

iii)joined

iv)helped

v)has not occur

vi)has collpased

vii)has not

viii)has come

ix)has not been

x)has survived

Answer:

1. destroyed

2. just arrived

3. joined

4. helped

5. has not occur

6. collapsed

7.has never been

8. came

9. had not been

10. has survived