[ Grammar, Conditional Sentences, Vocabulary ]
He ________ the jewels unless he had had inside help.
A. could not have stolen
B. could have stolen
C. has stolen
D. will not have stolen

Random Topics:
Conjunctions and CommasNoun, Quantifiers and SuffixesVerb PhrasesAdverb of Frequency and Past Continuous TensePreposition (at,in,on)Present Simple with Adverbs of FrequencyGrammar : can, could and be able toVerb FormsNoun QuantifiersPlaces in TownOther quiz:
Articles - rules › ViewIn front of names of rivers, oceans and seas (Atlantic ocean, Nile…)
A. no article
B. the
C. a/an
Tenses › View
– Do we have any cheese?
– No, we don’t.
– Okay, I _____ some when I go to the supermarket.
A. will bought
B. will buy
C. am going buy
D. is going to buy
Present Simple and Present Continuous Tense › ViewSorry, Lisa _____ not here at the moment.
a. are
b. am
c. is
d. be
Adverbs, Infinitives, Definite Article › View
John worked____________ and won the competition.
A. hard
B. hardly
