Thebasicunitinthestudyofmorphologyis______.
Onecanfigureoutthemeaningof“airmail”tobe“mailbyair”byits______.
IonlycalledthepolicewhenI________everythingelse.
Iaskedhimto________meafewminutessothatwecouldgooveralltheproblems.
considered()“thetruefatherofournationalliterature”.
