[ Tenses ]
Choose the correct form: “I ___ (not/know) the answer.”
A. do not know
B. am not knowing
C. does not know
D. not know

Random Topics:
Verb to Be Tenses & Object PronounTOEIC Tenses, VerbsCompound Words and SentencesModals - Conditionals - Future TensesPast Tense & Past Continuous TensePresent Simple and Present Continuous TenseNumbersNouns & PronounsRelative Clauses beginning with Prepositionsanother/the others/each other/one anotherOther quiz:
Grammar › ViewWe had already got our tickets so we ________ in the streets for hours.
A. don’t have to queue
B. didn’t have to queue
C. needn’t queue
D. hadn’t to queue
Vocabulary › View
the subject that involves collecting and studying numbers to show information about something
A. connotations
B. conventions
C. statistics
D. rule of three
Verb to be › ViewThey ____ taking care of the plants.
A. is
B. are
C. am
Adjective › View
London is the biggest city in the European Union _____.
a.a great deal
b.a lot
c.by far
d.easily
e.far