[ Perfect Tenses ]
I —- (work) for big companies like this before. I know how they operate.
A. have worked
B. had worked
C. will have worked

Random Topics:
Relative Clauses and Past PerfectPersuasive TextPrepositions after VerbsAdjectives and PrepositionsPresent and Past Simple PassiveAdverbial Clauses of Reason / CauseGrammar - Place and MovementGrammar - may & mightVerbs: Will & Going toHow much and how manyOther quiz:
Grammar › ViewSarah __________ (not exercise) regularly, but now she goes to the gym every day.
A. used to
B. uses to
C. didn’t use to
D. did uses
Modals › View
We …………… pass our exams to get into university.
A. must
B. has to
C. needn’t
D. needn’t
If Conditional Zero and One › ViewChildren ____ upset, if they are being bullied.
A. will get
B. gets
C. get
Grammar › View
The elephant is ……………….. land animal.
A. the biggest
B. bigger
