[ Grammar ]
John’s disappeared. Does anyone know what _________ to him?
A. happened
B. has been happening
C. has happened
D. has been happened

Random Topics:
Helping and Linking VerbsSimple vs Present Continuous TensesConjunctions and PronounsDependent PrepositionsUsed to & would & Past SimplePast ParticiplePronoun Antecedent AgreementIELTS GrammarSentence StructureModal AuxiliaryOther quiz:
Gerund vs. Infinitive › ViewWe promise … in touch with our clients.
- to stay
- staying
Verb Tenses › View
They had ? (to take) the dog for a walk before it started raining.
A. taked
B. takened
C. took
D. taken
Grammar › ViewMrs.Zubaedah …………………………. networking courses for two years when he was promoted to be a coach.
A. had taken
B. had been taking
C. have been taking
D. could have taken
Prepositions › View
After the show, every audience stood up to congratulate him ______ his wonderful performance.
A. on
B. at
C. in
D. with
