[ Grammar ]
The documents ______ (send) by courier yesterday.
A. was sent
B. were sent
C. have been sent
D. sent

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Modal PerfectPresent Perfect and Past TensesTime PhrasesGrammar Error Correction (Simple Present Tense)Past, Present, FutureFigure of SpeechConjunctions - ConnectorsModal AdverbsPresent and Future TensesPast Continuous vs Past SimpleOther quiz:
Essential and Nonessential Clauses › ViewDo you need a comma in this sentence?
Because of small class sizes professors can work with students more one-on-one.
A. Yes
B. No
Vocabulary › View
psychological feature arousing action toward a desired goal
A. Identify
B. Incorporate
C. General
D. Motivation
Tenses › ViewWhat is the correct sentence?
A. She run to school every day.
B. She runs to school every day.
C. She running to school every day.
D. She runned to school every day.
Grammar › View
If there is heavy traffic, _____ I might be late.
A. then
B. than
