[ Past Tense ]
I thought of it just when you …………………………….. your mouth.
A. was opening
B. had opened
C. opened

Random Topics:
Grammar - must & have toTenses and StructuresMixed TensesSo Such Enough TooAdverb Clauses of TimeWish + Verb 2Pronoun Antecedent AgreementAdjective and AdverbGrammar ElementaryCoordinating & Subordinating ConjunctionsOther quiz:
Articles › ViewMy sister has ____ x-ray of her arm taken.
A. the
B. a
C. an
D. none
Conditional Sentences and Verb Form › View
You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn’t lied
B. would be / didn’t lie
C. will be / don’t lie
D. would be / hadn’t lied
Tenses › ViewIf he works hard he ______________ pass.
A. shall
B. shall be
C. will be
D. will
Verb Phrases › View
____ mineral water, tea, or coffee.
A. go
B. wear
C. cook
D. drink