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:
Idioms › ViewTo get an illness from someone is to ___.
a. pick it up
b. truck it in
c. take it away
Grammar › View
Which word or phrase best completes the sentence below?
Everyone has to register for the contest. _______________________, everyone has to fill out this form and pay a five-dollar fee.
A. Since
B. In contrast
C. In particular
D. Nevertheless
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
