[ Grammar ]
___________________ in the company for many years, he knew everyone and everything.
A. Having worked
B. Worked
C. Working
D. To work

Random Topics:
Grammar and Sentence StructureQuestion TagZero ConditionalGrammar (Adjectives)Zero Conditional SentenceSubject Verb Agreement and Coordinating ConjunctionsVerbs – Nouns – Adjectives - AdverbsOn, At, ByBare Infinitive and To InfinitiveAdjectives-Comparison, SuperlativeOther quiz:
Question Tags › ViewHelen is coming to the park with you, ….?
A. hasn’t she?
B. doesn’t she?
C. didn’t she?
D. isn’t she?
Vocabulary & Grammar › View
There was a large ____________ of workers in front of the factory asking for higher wages. 
A. product
B. crowd
C. consumer
D. poison
Grammar › ViewWhich sentence shows an example of a correlative conjunction?
A. Mrs. Nelson eats apples and carrots every day.
B. Either you go, or I will.
C. After the mall, I took a nap.
Grammar › View
They___________lunch in a fast food every Saturday when they were teenagers.
A. are used to having
B. used to have
C. are used to have
