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
Countrylifeisbetterthancitylife________itoffersfreshairandnoiselessenvironment
A linguistic theory is constructed about what ______ is and how it works.
_______ is a fact that English is being accepted as an international language.
Johnson was ________ unknown before running for the presidency.
Thereisadeadlock(僵局)inthediscussionwhenneithersidegives________totheother.