[ Grammar (was, were, could, could not) ]
We_________open the door: it was locked from the inside!
A. could
B. couldn’t

Random Topics:
Participle - ing/ edPresent Simple, Present Continuous or Present PerfectGrammar: MorphologyTenses and FoodPassive Voice in Past Simple Tense1st ConditionalDeterminersAsking & Giving OpinionPassive SentencesTenses of VerbsOther quiz:
Tenses › ViewShe ___ me about the homework yesterday.
A. asks
B. ask
C. asked
D. is asking
Perfect Progressive Tenses › View
How long ______ (he/live) in New York before he moved to California?
A. had he been living
B. has he been living
C. will he have been living
Grammar › ViewThey _________ a kitten at home.
A. has
B. have
Tenses › View
Michael ___________ an accident while he ____________to school this morning
A. saw/ was walking
B. saw/ walked
C. was seeing/ was walking
D. was seeing/ walked
