[ Grammar ]
Thousands of letters ……………………… by postal workers every day.
A. is delivered
B. were delivering
C. are delivered
D. are delivering

Random Topics:
Noun Verb AgreementSentence Types and ConjunctionsGrammar (Adjectives)TOEFL GrammarVerb & GrammarVerbs and TensesModifiersPast Perfect TenseQuestion WordsNoun Phrases and Verb PhrasesOther quiz:
Modal Verbs › View. Suda was annoyed because her car ___________ start.
A. could
B. couldn’t
C. can’t
D. can
Tenses › View
I ____________ (eat) sushi yesterday.
A. ate
B. eated
C. eaten
D. at
