[ Tag Question ]
Somebody invented radio in 1954, ____?
A. didn’t they
B. did they
C. hadn’t they
D. has they

Random Topics:
Prepositions after Verbs and AdjectiveClauses of ReasonAdverb ClausesJobsDemonstrative Pronouns and Verb TensesFuture Perfect TenseAdjectives Ed and IngDescribing WordsAll, Both, Neither, None, EitherClauses and ConjunctionOther quiz:
Grammar › ViewIs Mr. John happy to meet Laura?
A. Yes, she is
B. No, she is not
C. No, he is
D. No, he is not
Grammar › View
To everyone’s surprise, over time, Paul ____________ far more mature and independent than before.
A. was becoming
B. will become
C. will have become
D. has become
Kinds of Nouns › Viewlanguage
A. Common Noun
B. Proper Noun
C. Collective Noun
D. Abstract Noun
Noun Phrase › View
Identify the noun phrase: “Recycling old newspapers can save trees.”
A. Recycling old
B. Old newspapers
C. Can save
D. Trees
