[ Grammar ]
They ____ cleaning the house.
A. is
B. are
C. am
D. be

Random Topics:
Prepositions of MovementThings in EnglishComparison and ModalsAdverb Clause ConnectorPresent Simple and Past ContinuousVerb Tenses and UsageFuture or PastGrammar ElementaryPhrases and TensesConjunctions and Verb TensesOther quiz:
Suffixes and Tenses › ViewWhat does the suffix “-ness” mean in the word “happiness”?
A. The act of being happy
B. Without happiness
C. Full of happiness
D. More happy
Grammar › View
I heard the mice ______ running on the ceiling last night. I couldn’t sleep at all.
A. is
B. are
C. was
D. were
Conjunction › ViewIt was very hot, _____ he opened the window.
A. nor
B. so
C. yet
Vocabulary › View
I made a negative comment in response …….. what she said to me.
A. from
B. to
C. at
D. for
