[ Present Perfect Tense ]
Change to present perfect tense .( no 1-8)
You have …… overnight
A. sleep
B. sleeping
C. slept
D. sleeps
E. to sleeping

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Idiom and Tenses › ViewDetermine the tense of the sentence: ‘I had seen that movie before.’
A. Present Perfect Tense
B. Simple Past Tense
C. Future Perfect Tense
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I had been helping my neighbor for a year before he finally thanked me.
A. Past Simple
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Subordinating Conjunctions › ViewThe children leapt from their seats _____ the bell rang.
A. before
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C. where
D. because
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_____ you please open the window?
A. Should
B. Would
C. Must
D. Need to
