[ Tenses ]
Carol … here at weekends since the first month of this year
A. has been working
B. is working
C. worked
D. works

Random Topics:
Perfect and Past TensesConditional Sentence Type 1Conjunctions and Verb TensesSynonyms and VocabularyGerund after Prepositions and Certain VerbsPronounsVerb Types and TensesWill or Going toPassive to ActiveAdjectives and comparisonsOther quiz:
Grammar › ViewWhenever the postman _____ letters, the dog chases him.
A. delivering
B. delivered
C. delivers
D. deliver
Prepositions › View
I think it won’t rain as the dark clouds have been blown _____ by the wind.
A. across
B. from
C. around
D. away