Grammar Quiz
[ 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:
A  B  C  D  E 


Random Topics:

Adjectives with PrepositionComparison Degree & GerundsSpeculation with Modal VerbsGerunds, Infinitives and ParticiplesDependent PrepositionsModifiersClauses and ConjunctionUnscramble SentenceDo / Have / Can - Basic QuestionsPresent Progressive or Present Simple

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Take care of our environment, _______ that the future generations may also enjoy it.

A. So

B. And

C. But

D. Yet

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We______ have been crazy.

A. Must

B. Will

C. Should

D. Could

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