[ Grammar ]
The use of reference books _____ necessary for learning a language.
A. is
B. are
Random Topics:
Adjective or AdverbPresent Perfect Simple vs ContinuousAcademic VocabularyTenses - AuxiliariesPresent Perfect and Present Perfect Progressive TensesGrammar & VocabTo Infinitive or Bare InfinitiveConditional Sentence Type 3PronounAdverbial ClausesOther quiz:
Present Tenses › ViewSomebody______my cookies. There are very few left.
A. has been eating
B. has eaten
Tenses › View
He … to me
A. laughing
B. laughs
C. laugh
D. laughed
Adjective Clause › ViewWhat is the adjective phrase in this sentence? The cabin beside the lake was already occupied when we arrived.
A. When we arrived
B. Beside the lake
C. Was already occupied
Grammar › View
The food ___ by the chef.
A. is cooked
B. cooked
C. cooks
D. cooking