[ Preposition & Gerund ]
Brian really has to work _______ improving his vocabulary.
A. in
B. at
C. on
D. for
Select your answer:
Random Topics:
Simple Present and Present ContinuousGerundsPast Simple and Past ProgressiveAsking and Giving SuggestionInterrogative Pronouns & AdverbsCompound Words and SentencesPresent Perfect and Present Perfect Progressive TensesSimple Past Tense & Future TenseNouns, Pronouns, Antecedents, and Singular and PluralGerund - to InfinitiveOther quiz:
General › ViewI was _______ by the sight of houseflies buzzing over an exposed rubbish bin that I lost my appetite immediately.
A. put up
B. put off
C. put away
D. put down
Past Progressive Tense › View
The mobile ………………………..………. (to ring)
A. was ringing
B. were ringing