[ Past Perfect Tenses ]
He ___ (work) at that company for a decade before retiring.
A. worked at that company for a decade
B. had been working
C. was working at that company for a decade
D. has been working at that company for a decade

Random Topics:
Modal Verbs and ConditionalsAdjectives & PrepositionsGerunds + To Infinitive“Put” Phrasal VerbGoing To Be and WillCommon Grammar Mistakes and Spelling TipsConditionals and Modals of ProbabilityGRAMMAR - Could / Could notLinkers and ConjunctionsComparison and ModalsOther quiz:
Grammar › ViewShe is a student. She … at school.
A. a studying
B. study
C. studies
D. does
Vocabulary › View
One of four equal parts making up a whole is called a ​_____
A. quarter
B. half
C. third
Adjective vs. Adverb › ViewHe ate his dinner very ___.
a. quick
b. quickly
Vocabulary › View
“What can I do for you?” – “_____”
A. No need to help. Â
B. Thanks, I’m just looking. Â
C. Thank you.
D. Sorry for not buying anything.
