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:
Grammar - SimilesSimple TenseModals Posibility and ProbabilityTime and CalendarVerbs and PrepositionsConjunctions, Prepositions and InterjectionsCausative VerbFew, a few, little, a littleModal Verbs for Permission and ObligationSentence Fragments and Complete SentencesOther quiz:
Third Conditional › ViewWhich of the following is a third conditional sentence?
A. If she finishes her work, she will go home.
B. If she had finished her work, she would have gone home.
C. If she finishes her work, she would have gone home.
D. If she finished her work, she will go home.
General Quiz › View
Charis decided to remind Mark about the details of the birthday party again lest he ______. (Think carefully!)
A. forget
B. forgot
C. forgets
D. had forgotten
Future Perfect Tense › ViewComplete the sentence with the future perfect form:
“_____ by the time you’re 65?”
A. Will you have retired
B. Will you have been retired
C. Will you retire
Basic Grammar › View
What´s wrong? _______ something in my eye.
A. Is there
B. There is
C. Are there
D. There are
