Is the following sentence linguistically acceptable?
Smith loaned, and his widow later donated, a valuable collection of manuscripts to the library.

acceptable

Is the following sentence linguistically acceptable?
Wilt is taller than I imagine anybody would ever guess that people had begun expecting Red to announce that he was.

acceptable

Is the following sentence linguistically acceptable?
Mary appreciates only John and herself.

acceptable

Is the following sentence linguistically acceptable?
The committee disliked her proposal.
acceptable