Topics: Perfect Tenses
He found the front door open although he … it before.
A. had locked
B. has locked
C. will have locked
Select your answer:

Random Topics:
Modal Verbs and Gender NounsPast and Past ContinuousPresent Perfect or Past Simple TensePresent ProgressiveVerbs + Gerund or InfinitiveArgumentative VocabularySimple Present - Negative & InterrogativePrepositions Of PlacePassive Voice, Question Tag, PrepositionsTenses and ComparisonsOther quiz:
Tenses › ViewI _______ on my computer when it suddenly crashed.
A. was working
B. worked
C. had worked
D. would work
3rd Person Singular › View
Choose the correct:
A. Byron never plays soccer in the morning.
B. Byron plays never soccer in the morning.
C. Byron play soccer in the morning.
D. Byron never play soccer in the morning.
