English (1 19:51:26) Happy and interesting work?

English (1 19:51:26) Happy and interesting work?

an interesting and enjoyable job

English (18 19:49:36)
Could   you  ask  MR  Green  to  give  us  a  report  tonight                    or  not  he  lives  nearby 
A  that
B  until
C  if
D  whether

I think is answer D.
If "or not" appears in the clause, we can only use "while"

3: 8 = (fraction) = (?) = (?) = 12: (?) = (?): 24

3: 8 = (3 / 8) = (3) / (8) = 12: (32) = (9): 24
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