Grammar Quiz
Topics: Prepositions

I think you’d better concentrate ____________ your work if you want to finish on time.

A. at

B. on

C. of

D. for

Select your answer:
         


Random Topics:

Definite and Zero ArticleAdverb and Noun ClausesSimple Past or Past ContinuousPerfect TensesPassive Voice Active VoiceArticles - rulesGerunds as Objects of PrepositionsConditional Sentence Type 3Grammar & VocabularyModals: Possibility, Necessity, Expectation

Other quiz:

Grammar › View

I wrote this poem _______________________.

A. alone

B. myselves

C. myself

D. single

Conditionals and Wishes › View

Suppose they lost their jobs. … money enough to survive?

A. Would they have

B. Will they have

C. Would they have had

➤