[ Grammar ]
I don’t know ___ book you’re referring to.
A. which
B. what

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Present Simple Positive and NegativeHave toConjunctions and CommasInfinitive FormsIndefinite ArticleGrammar (Adverbs, Prepositions, Prepositional Phrases)Sports Vocabulary1st and 2nd Conditionals-ed/-ing AdjectivesTransitive or Intransitive VerbsOther quiz:
Grammar › ViewShe quickly finished her homework and went out to play.
What part of speech is the word quickly in the sentence?
A. adjective
B. pronoun
C. noun
D. verb
Grammar › View
There __________ a swarm of bees over there last night.
A. are
B. is
C. was
D. were
Grammar › ViewChing Yi __________ magic tricks for a living.
A. do
B. does
Grammar › View
First we read the entire passage and _______ we answer the questions
A. than
B. then
