The engineer ______ my father works is about 50 years old.
A、towhomD
withwhom引导定语从句.withwhom放在从句中即为:myfatherworkswiththeengineer
The engineer ______ my father works is about 50 years old.
Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
Thethieftookawaythewoman’swalletwithout________.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
We ________ go out to restaurants, but mostly we eat at home.
