[ Grammar and Vocabulary ]
How long ______________ studying food processing techniques for the company when he retired?
A. did Martin work
B. had Martin worked
C. had Martin been working

Random Topics:
Wh- Questions Present Simple TensePassive Voice with ModalsBecause of & Inspite ofAdjective or AdverbQuestion Tags in Verb TensesLinking Verbs and TensesPresent Perfect and Past TensesTransitional WordsPast Tense and NeutralAdjective & AdverbsOther quiz:
Future Tenses › ViewWhich of the following sentences correctly uses “will” to express a spontaneous decision?
A. I will visit my grandparents next week.
B. I will have dinner tonight.
C. I will help you with your homework.
D. I will open the door for you.
Question Words › View
__________ watch is this?
A. Whose
B. When
C. Where
D. Who
Subject-Verb Agreement › ViewMy shears … sharp enough.
- aren’t
- isn’t
Present and Past Tenses › View
During the meeting, the CEO ________ (interrupt) and ________ (announce) the company’s restructuring plan.
A. interrupted / announced
B. interrupted / was announcing
C. was interrupting / announced
D. was interrupting / was announcing
