[ 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 › ViewThe traffic is bad ______ there are too many people in the city centre.
A. because of
B. due to
C. because
D. so
Tenses › View
At 8 o’clock last evening, my friends and I ________ a famous film in the cinema
A. will watch
B. watched
C. were watching
D. have watched
Grammar › ViewLine 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
