__________ the lecture ends, you are free to leave the ...

[ Adverb Clause ]

__________ the lecture ends, you are free to leave the classroom.

A. If

B. After

C. Although

D. Before

Select your answer:

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Grammar Suffixes Adjectives (-ed / -ing)Conditional and Mix Conditional Sentence Grammar: Simple Past and Past Continuous Future Continuous, Future Perfect and Future Perfect Continuous Future Passive Grammar Be Going To vs. Will Speech Tenses

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The mouse is _____________ behind the tree.

A. hide

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