[ 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:
Conjunctions › ViewIdentify the conjunction in the sentence.
The move was long and boring.
A. and
B. was
C. the
Come vs. Go › View
The tourist … back to his country of origin yesterday.
- came
- went
Grammar › View
Which 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
