[ Tenses & Conditional Sentence ]
She ___ for two hours before the guests arrived at the party.
A. had been cleaning
B. cleaned
C. was cleaning
D. has cleaned

Random Topics:
Noun, Quantifiers and SuffixesConjunctions - Conjunctive AdverbsPresent, Past and Future TensesVerb Tenses and AgreementTenses of VerbsPresent and Past Perfect TensesWould rather/ would prefer/ would likeFigure of SpeechPresent Perfect Negative and InterrogativePresent simple or Past simpleOther quiz:
Homonyms › ViewThe workman ___ each brick carefully on the mortar.
a. lays
b. laze
Homonyms › View
Oh, what fun it is to ride in a one-horse open ___.
a. slay
b. sleigh
To study something in more detail.
A. Research
B. Persuade
C. Launch
D. Target
Tenses and Voice › View
Which verb shows future tense?
A. Walked
B. Is
C. Will jump
D. Eats
