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
Linguistscanconcentrateonalltheaspectsoflanguageatonce.
EmpiricalstudiesshowthattheprocessofSLAisaprocessofconstructingandmodifyingrulesofcommunication.
The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.
We________goouttorestaurants,butmostlyweeatathome.
It is not decided ________ the conference will be held.
