[ Tenses ]
He_____________five letters to the manager by the time he finally received an answer.
A. wrote
B. was writing
C. had written
D. had been writting

Random Topics:
Future Tenses, Conditionals and ProfessionsPast Perfect and Past Perfect Continuous TenseThere is, There are, Some, AnyGerund & InfinitiveAdjective OrderPresent and Past Simple TenseInterjection & Prepositional PhrasesAdjective ClausesAdjectives-Comparison, SuperlativeGerunds and ModalsOther quiz:
Grammar › ViewShe is ________ than Mary.
A. more happy
B. more pretty
C. more beautiful
Time Clauses of Future › View
I will take a basket. There will be a picnic in the evening.
A. I’ll take a basket until there is a picnic in the evening.
B. I’ll take a basket unless there is a picnic in the evening.
C. I’ll take a basket in case there is a picnic in the evening.
Tenses › ViewI (be) sorry that I (not be) nicer to him.
A. was/ hadn’t been
B. had been/ wasn’t
C. had been/ hadn’t been
Grammar › View
They __________ for a math test last night.
A. studied
B. studyed
C. are studying
D. studying
