[ Tenses ]
Someone ___________ at the door. Can you open it?
A. knocks
B. is knocking
C. knocked
D. was knocking

Random Topics:
a, an, the, zero articleGrammar: Adjectives & PrepositionsConstrative ConjunctionPrepositions of Location, Movement and TimeVocabulary and GrammarActive vs. Passive VoiceDo / Have / Can - Basic QuestionsAdjective ClausePast ParticiplesComparative AdjectivesOther quiz:
Modal Verbs › ViewCustomer: Can you come here for a second, please?
Waitress: Yes Mr. How ____________ I help you?
A. Can
B. Might
C. May
D. Can’t
Vocabulary › View
to make worried or troubled
A. confuse
B. communicate
C. concern
Grammar › ViewMolly is the _________ girl in the room.
A. beautiful
B. more beautiful
C. most beautiful
D. beautifullest
Homonyms › View
What are you going to ___ to the party?
a. wear
b. where
