[ Vocabulary & Grammar ]
If you become an _______ in a certain field, you know a lot about this field.
A. expert
B. expertise
C. heritage
D. wheat

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Verb Tenses and Sentence StructureConjunctions & Cohesive DevicesUnreal ConditionalsConjunction: Because and SoGrammar - Present Perfect with for and sinceModal Verbs of Deduction and SpeculationSimple Past TensePresent Continuous for FutureGerund - to Infinitive Future - Will and Be going toOther quiz:
Simple Present and Past Tenses › ViewMy teacher sometimes _______ her keys.
A. forgets
B. forget
C. forgot
D. forgotten
Subordinating Conjunctions › View
_____ the continuous rain in the area, many streets were flooded.
A. While
B. Unless
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