[ Grammar ]
We could not sleep ________ it was hot and humid.
A. so
B. and
C. because
D. although

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Simple and Compound SentencesAdjectives or AdverbsFuture Tenses, Conditionals and ProfessionsSecond and Third ConditionalBASIC GRAMMAR - PRONOUNSVerb + InfinitivePrepositions after Verbs and AdjectivePreposition and AdjectiveModals of AdvisabilityModal Auxiliary VerbsOther quiz:
Grammar › ViewWhat is the positive degree of (worst)?
A. bad
B. good
C. tall
D. intelligent
Simple Past Tense › View
How did you did on the exam?
A. Correct
B. Incorrect