[ Relative Clause ]
I have lost the necklace _______ my mother gave me on my birthday
A. which
B. who
C. whom
D. why

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Es and SNouns - Word Form-IONso vs suchmust/shouldGrammar - Present Perfect TenseIf/Unless - Conditional type 1Grammar: AgreementPresent Simple PassiveModal Verbs & Reflexive PronounsPast Tense vs Future TenseOther quiz:
Grammar › ViewMiguel ______ here very long, has he?
A. has been
B. hasn’t been
C. was
D. wasn’t
Modal Verbs › View
You ____ finish your dinner before dessert.
A. should
B. need
C. can