[ Verb Patterns ]
Susan warned her sister …..(not, open) the door when she is alone at home.
A. not open
B. not opening
C. not to open

Random Topics:
Present Perfect ContinuousClauseSentence CompletionLexico and GrammarVerbs + Infinitives / GerundsPronoun & Present SimplePassive Voice of TensesGrammar : Structural Common ErrorsCoordinating and Subordinating ConjunctionsModals and Semi-ModalsOther quiz:
Grammar › ViewAre there cups?
A. Yes, there is.
B. Yes, there are.
C. No, there isn’t.
D. No, there aren’t.
Grammar › View
We’re playing against the Cobras this weekend, and _____ a really good team.
A. there
B. their
C. they’re
Grammar › ViewWhich sentence uses the correct article?
A. A water vapor rises into the atmosphere.
B. An water vapor rises into the atmosphere.
C. The water vapor rises into the atmosphere.
Relative Pronouns › View
Is Tom the boy … is good at maths?
A. who
B. which
C. whom
D. whose
