[ Tenses ]
They _____ (work) on this project since January.
A. will be working
B. are working
C. have been working
D. work

Random Topics:
Infinitive or GerundReported Speech and Reporting VerbsRegular and Irregular VerbsGrammar and PrepositionsModal Verbs and Contrastive ConjunctionsFuture Simple TenseCountable & Noncountable NounsNouns & PronounsTenses and QuestionsPast Simple VS Used toOther quiz:
Grammar › ViewThis time next week we——— (sit) at the beach.
A. will be sitting
B. will be sit
C. will was sit
D. will was sitting
Grammar › View
‘Sarah says she’s almost finished painting the house.”And you believe her? I bet you that when we visit her at Christmas she ___________.’
A. Mustn’t have finished
B. Shouldn’t have finished
C. Wouldn’t have finished
D. Won’t have finished