[ Grammar ]
_________ the sign was right in front of him, he didn’t notice it.
A. Because
B. Therefore
C. Since
D. Though
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Grammar and VocabulariesCoordinating and Subordinating ConjunctionsDistinguishing Future TensesSimple TensesPerfect and Past TenseAdverbs and Adverbial PhrasesModal Verbs of Deduction and SpeculationPassive Voice - Present Simple and Past SimplePronoun & Present SimpleConditional Sentence Type 2Other quiz:
Grammar › ViewOperant conditioning involves rewarding or punishing certain behave to reinforce or extinguish its occurrence.
A. behave
B. to reinforce
C. or extinguish
D. its occurence
Conjunctions › View
This necklace is made of gold _______ that one is made of silver.
A. and
B. or
C. but