Answer:
<u><em>Active:</em></u>
The mail-order company sent Mrs.Green a parcel.
<u><em>Passive:</em></u>
A parcel was given by the mail-order company to Mrs. Green.
s i e n t t d
1. dentist
2. distent (obsolete; spread out; distended)
3. stinted (past tense of stint ~ supply inadequate amount of something)
It would be the second choice : You can understand what level of formality is appropriate by listening to and observing others.
