[ Pronouns ]
I heard someone at the door but wasn’t sure __________ it was.
A. what
B. which
C. whom
Random Topics:
Gerund, Infinitive, Bare VerbIntermediate GrammarGrammar - Verb FormsVerb ConjugationInfinitiveGRAMMAR - Could / Could notVerbals and GerundsGrammar on ConditionalsConjunctive Adverbs and PunctuationPresent Perfect Simple & Present Perfect ContinuousOther quiz:
Modals and Vocabulary › ViewThe colossal elephant walked slowly across the savannah. It was an enormous sight to behold.
A. Fast
B. Huge
C. Old
D. Small
Narrative Tenses › View
What is a common signal word for the past perfect tense in a narrative?
A. Now
B. Before
C. Next
D. Against
Grammar › View“Yeah, I’ve been to Greece.”. My friend told me that he ________ to Greece.
A. been
B. had been
C. was
Vocabulary › View
More than a billion people all over the world are under the threat of desert .
A. ncrease
B. expansion
C. development
D. extension