-Insert aproper word - what would you say

[أمير بلا إمارة]

- what would you say in each of the following situations :-
1-Some one ask you why you admire Dr. El-Baz .
2-Your friend asks what your father does .
3-You ask your friend about his father's health .
4-Your friend asks how Dr.Zewail's work has helped doctors.
5-Your friend apologizes for breaking your camera.

-Insert aproper word in each gap :-
Dr.El-baz is one of egypt's most famous men . He is famous ...... (1) ..... a space scientist and a geologist . In 1967 , he worked ........ (2) ........ the apollo porject , that ........ (3) ........ astronauts on the moon . He taught them ......... (4) ........ to callect lunar ........ (5) ........ on the moon . Also , he is an ......... (6) ........ in the field of remote sensing .