[ 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:
Vocabulary › ViewTheir tastes have been so _____________ by luxurious living that they seem incapable of enjoying the simple pleasures of life.
A. jaded
B. lurid
C. hackneyed
D. assuaged
Grammar › View
Our dogs ……………….. outside in the winter.
A. doesn’t sleep
B. don’t sleep
C. sleeps
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