Choose the sentence that correctly uses a relative adverb.
A. The reason why it happened is unknown.
B. The reason which it happened is unknown.
C. The reason whom it happened is unknown.
D. The reason whose it happened is unknown.

Random Topics:
Tag QuestionTenses - Irregular VerbsSome & AnyModals "Should"Comparative and Superlative AdjectivesClauses and ConjunctionsPreposition of PlaceGrammar - ConnectorsAsking for and Giving OpinionGrammar - Collective NounsOther quiz:
Modal Verbs › ViewMy grandfather ……… speak 4 languages. He was really talented.
A. could
B. will be able to
C. must have
D. can’t be
Preposition › View
I’ve always wondered ________ YouTubers. They are just regular people talking about regular stuff, and yet get millions of followers and insane amounts of views.
A. with
B. about
C. at
D. on
E. of
Grammar › View She must take several reading courses.
The underlined adjective answers the Question of:
A. What kind?
B. How many?
C. Which one?
Mixed General Quiz › View
A heroic tenor is usually the ___ character in operas.
a. lead
b. read
c. reed
