i had been sleeping _________ 10 hours A. for ...

[ Prepositions ]

i had been sleeping _________ 10 hours

A. for

B. since

C. can not use any of them

D. till

Select your answer:

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Verb Present Simple Tense Quantifiers & Modal Verbs Basic Tenses Run-On Sentences Simple Future Tense Conjunctions - Conjunctive Adverbs Passive of Modal Verbs Auxiliary Verbs, if, unless and Modal Present Perfect Negative and Interrogative

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She ___been a lawyer but she decided to study accountancy instead.

A. could have

B. may have

C. should have

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He is still learning. He ____________ do his shoe laces up just yet.

A. can’t

B. mustn’t

C. shouldn’t

D. won’t