The engineer ______ my father works is about 50 years old.
D
withwhom引导定语从句.withwhom放在从句中即为:myfatherworkswiththeengineer
______ of a sentence depends on the context in which the sentence is uttered.
Childrenhaveanatural________abouttheworldaroundthem.
There is a growing body of evidence to support the fact that most people suffer from a lack of daydreaming _______ an excess of it.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
The old couple have been married for 40 years and never once _______ with each other.