[ Grammar ]
There are so many books in the library. I don’t know _______________.
A. what to read
B. which to read

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Modals and InversionFuture Perfect vs Future ContinuousPrepositions & Prepositional PhrasesVocabulary & Phrasal VerbSynonymGrammar and Sentence StructurePassive Voice Present SimpleRelative Clauses beginning with PrepositionsNoun QuantifiersPast Simple (Questions)Other quiz:
Grammar › ViewWe can hear the clicking of the cow’s ______________.
A. hoofs
B. hooves
C. hoofes
Modal Verbs › View
Their children __________ lots of new friends since they __________ to that town.
A. have made – moved
B. were making – have moved
C. made – are moving
D. made – have been moving