[ Modal Verbs ]
Ron: Their plane was delayed and they had to wait 36 hours in the airport.
Dora: They … very happy with the airline.
A. cannot be
B. can’t have been
C. couldn’t have been
D. couldn’t be

Random Topics:
Comperative and SuperlativeModals of Obligation & ProhibitionPhrases and ClausesRelative & ModalsVocabulary and DefinitionsPast Simple TensePronoun-Verb AgreementAlthough / DespiteCompound SentencesPhrase vs ClauseOther quiz:
Tenses › ViewWhat is the correct form of the verb in this sentence? “They _____ (not finish) their project yet.”
A. didn’t finish
B. haven’t finished
C. weren’t finishing
D. don’t finish
Subordinating Conjunctions › View
“She waited ___ the train arrived.”
A. Wherever
B. Until
C. Although
D. While
Conditional Sentences › ViewMy family _______ to the beach if the rain _______ .
A. will go/doesn’t stop
B. won’t go/doesn’t stop
C. go/would stop
D. won’t go/would have stopped
Grammar › View
“I’d like to change the ……….. Please give me the remote control”
A. programme
B. view
C. channel
D. television
