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
Researchfindingshaveshownthatlanguageprocessingcentersaresituatedinasingleareaofthelefthemisphere.
Ifpaymentisnotreceived,legalactionwillbeouronly________.
Thisisanimportantproblem_______toofewsocialscientistshaveresearched.
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
Thesyntacticrulesofanylanguageare______innumber.
