The bell _____ (already ring) when the bus _____ (arrive) at school.
A. had already rang, arrived
B. had already rung, arrived
C. have already rung, arrived
D. has already rung, arrived

Random Topics:
Question tag and + - AgreementSimple and Progressive Verb TensesPast ModalsSentence Structure and Verb TensesIf ClausesPast Perfect Tense and Past TenseComparative and Superlative AdjectiveGrammar - Collective NounsPast Continuous vs Past SimpleSimple Present and Present ContinuosOther quiz:
Grammar › ViewSelect the past tense verb.
A. inspected
B. inspect
C. inspecting
D. inspectable
Tenses › View
After eating lunch from the cafeteria, a lot of my friends said that their stomachs ____. It never got any better and they had to go home early.
A. are hurting
B. were hurting
C. was hurting
D. hurts
E. hurt
Vocabulary › ViewTantalization
A. existing, occurring, or happening at the same time
B. to reestablish the good reputation of (a person, one’s character or name, etc.)
C. teased or frustrated, as by tormenting with the sight of something greatly desired but inaccessible
D. left or deserted, as by the owner or guardian; abandoned
Grammar › View
A doctor who treats your teeth is
A. Dentist
B. Paediatrician
C. Orthopaedist
D. None of the above