[ Tenses ]
He ______ code for hours before he finally fixed the bug.
A. had been writing
B. used to write
C. wrote

Random Topics:
Action, Helping & Linking VerbsPaired ConjunctionWill & Be going toPhrasal VerbsVerb to havePast Simple VS Used toIntermediate PrepositionsAdjectives and AdverbsModals: Possibility, Necessity, ExpectationComperative and SuperlativeOther quiz:
Comma › ViewChoose the sentence with the correct comma placement.
A. Please Sasha, come home as soon as you can.
B. Please, Sasha, come home as soon as you can.
C. Please, Sasha come home as soon as you can.
D. Please Sasha, come home, as soon as you can.
Question Tags › View
Pat has a cozy flat in Boston,
A. hasn’t she?
B. isn”t she?
C. wasn’t she?
D. doesn’t she?
Modal Verbs › ViewYou………………. apologise; it’s not necessary.
A. mustn’t
B. may not
C. don’t have to
D. doesn’t have to
Modal Verbs and Gender Nouns › View
She ___ sing very well when she was younger.
A. couldn’t
B. could
C. was
D. were
