[ Grammar ]
Only when ______ may vehicles cross the train tracks.
A. is the green light on
B. did the green light be on
C. on is the green light
D. the green light is on
Select your answer:
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Phrase and ClausePronouns ( Interrogative )Simple present/ past/ future tenseCountable - UncountableThird Grade ExamGrammar - FragmentsProgressive TenseConditional TensesSimple Compound and Complex SentencesOther quiz:
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a. hour
b. hours
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How can I bring ___ employer
A. Round
B. Around
C. Over
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