From the viewpoint of word formation, the word “ smog” is a ______.
D
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ModernEnglishvocabularydevelopsthroughthefollowingchannelsEXCEPT______.
Generally,adictionarycoversthefollowingcontentsEXCEPT______.
Agoodworkerinakeyspotcould,so_______ashekeptupproduction,takeallthecoffeebreakshewanted.