My bookcase, …… in my room, is stuffed with old books.
A. whose
B. which
C. that
D. who

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Grammar-Verbs & Nouns Singular, Plural, GenderPresent Simple VS ContinuousPast Simple & Past ContinuousPronoun Antecedent AgreementIdiom and TensesAuxiliary VerbsInfinitive and GerundsGrammar - may/might/couldGerund or to InfinitivePresent Simple, Present Continuous or Present PerfectOther quiz:
Verb Tenses › ViewWhich sentence uses the present perfect continuous tense correctly?
A. He has been working on the project for two hours.
B. He worked on the project for two hours.
C. He being working on the project for two hours.
D. He will work on the project for two hours.
Modal Verbs › View
Children are not allowed to play football in the streets.
A. Children may play football in the streets.
B. Children mustn’t play football in the streets.
C. Children should play football in the streets.
D. Children needn’t play football in the streets.
Grammar › ViewI’m late, but I ___ on time tomorrow.
a. came
b. come
c. will come
Prepositions › View
Your shoes are in the closet where they are supposed to be.
A. your shoes
B. are in the
C. in the closet
D. supposed to be