[ Vocabulary and Idioms ]
Mr. Nixon refused to answer the questions on the _______ that the matter was confidential.
A. reasons
B. excuses
C. grounds
D. foundation

Random Topics:
First ConditionalsIndependent and Dependent ClausesPast Progressive TenseContrastive ConjunctionArticles and DemonstrativesGerunds + To InfinitiveInterjection & Prepositional PhrasesSuperlativesTenses and ArticleTenses StructureOther quiz:
Adjective or Adverb › ViewBuses are not so … as taxis.
A. more expensive
B. expensive
C. the most expensive
D. a more expensive
E. expensivest
Modals › View
The children didn´t went to the school. they _____ sick
A. must been.
B. could have been.
C. may have been.
D. could have been.
Verb-ing and Infinitive › ViewDon’t let him ………………….. yet.
A. goes
B. to go
C. going
D. go
Tenses › View
Are you working here?
A. Present Simple
B. Present Continuous
C. Past Simple
D. Past Continuous
