[ Articles and Determiners ]
They have arrived ____ hour ago.
A. a
B. an
C. the
D. what

Random Topics:
Simple Past vs Past Continuous TenseWh-QuestionPrepositions and AdverbsConditional SentenceCommas and Subordinating ConjunctionsModals AuxiliaryPreposition & GerundConditional TypesQuantifiers & Modal VerbsAdverb ClauseOther quiz:
Grammar › View______ language do you speak?
A. Who
B. What
C. Where
D. Which
Grammar › View
People are ______trends today.
A. follow
B. followed
C. following
D. follows
Line up for specials.
A. statement
B. question
C. command
D. exclamation
Modal Verbs › View
I think there ______ be a mistake in your tax return. You should check it.
A. can
B. will
C. won’t
D. might
