[ 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:
Vocabulary › ViewJanice was happy this morning and grouchy at lunch time.
She was very ________ today.
A. illustrate
B. moody
C. protested
D. annual
Present Continuous › View
She…………… jumping on the bed.
A. Am
B. Is
C. Are
D. NG
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
