[ Tenses ]
Mr. Pike________English at our school for 20 years before he retired last year.
A. had been teaching
B. has been teaching
C. was teaching
D. is teaching

Random Topics:
Transitional WordsSentencesPreposition of TimeFunctional Sentence TypesConjunctions - Conjunctive AdverbsCompliment, Congratulation, and HopeReported speech (statements)Past Tense & Past Continuous TenseAdverb and Noun ClausesClauseOther quiz:
Types of Sentence Structures › ViewAfter a parrotfish eats algae-covered coral, the coral travels through the fish’s digestive system, and then it is deposited in the reef as white coral sand.
A. simple
B. compound
C. complex
D. compound-complex
Conditional Sentence Type 3 › View
If they ……………… earlier, they ……………… the train.
A. Would have left, had caught
B. Had left, had caught
C. Had left, would have caught
The house…..40 years ago is still in good condition
A. Which built
B. to build
C. built
D. building
Grammar › View
Tom got good marks ________ he studied hard.
A. because
B. so
C. but
D. or