[ 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:
Grammar › ViewIn the sentence “He seems tired today,” what type of verb is “seems”?
A. action
B. non-action
C. modal
D. helping
Active vs. Passive Voice › View
This room hasn’t been painted.
A. This sentence is “Active.”
B. This sentence is “Passive.”
If 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
