A: I phoned you at nine this morning but got no answer. B: I’m sorry. I ___ been in the garden.
A. should have
B. must have
C. can have
D. could

Random Topics:
Nouns, Articles, DeterminersRelative Pronouns and AdverbsGender and GrammarNoun PhraseSuperlativesModals: Possibility, Necessity, ExpectationCommunicative GrammarArticles and QuantifiersModals and Semi-ModalsToeic VerbOther quiz:
Conjunctions - Conjunctive Adverbs › ViewBIE Delivery ensures its customers that their products will be delivered within 13 hours ____ far away their location may be.
A. no matter how
B. insofar as
C. nevertheless
D. in order that
Gerunds, Infinitives and Modals of Possibility › View
She needs ___ her phone before leaving.
A. charge
B. charging
C. to charge
D. charges
Grammar › ViewChoose the best word to complete the sentence.
Extreme sports are relatively __________ as long the participants are well-trained.
_____
A. insignificant
B. uninspiring
C. harmless
D. unimportant
Present Simple Passive › View
The policeman catches the crook.
A. The crook is caught by the policeman.
B. The policeman is caught by the crook.
C. The crook is catched by the policeman.
D. The crook are caughted by the policeman.
