[ Relative Clause ]
As a university student, you should know____to use a library very well.
A. how
B. whose
C. that
D. which

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Auxiliary VerbsGerunds and ModalsModals and Past TensesSubject and Verb AgreementPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTConditionals (0 - 1 - 2)Comparatives ( adj/ adv)Present / Future / Present Progressive / non Action Verbs1st and 2nd ConditionalsInversions and SubjunctiveOther quiz:
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. You ___ wear a hat in class.
A. can’t
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