[ Tenses ]
Listen! Somebody ______________ the door.
A. has knocked
B. knock
C. is knocking
D. knocked

Random Topics:
-ed or -ingRelative Pronouns with PrepositionsConditionals (0 - 1 - 2)Past and Present TensesGrammar - Present PerfectGerunds as Objects of PrepositionsGrammar-Present Continuous-Sentence MakingAdverbs of How Something is DoneGrammar - too & enoughTOEICOther quiz:
Grammar › ViewMaybe we can ask ______ policeman for directions.
A. those
B. these
C. that
Grammar › View
Knowing that the number of places _______ limited, my brother made a reservation last week.
A. is
B. are
C. was
D. were
Tenses › ViewColumbus ………………….. America more than 400 years ago.
A. discovered
B. has discovered
C. had discovered
D. was discovered
Grammar and Vocabulary › View
My boyfriend sent me an email yesterday. He ________.
A. sent to me it
B. sent it to me
C. it me sent
