[ Grammar ]
None of the customers __________ rejected our offer of a refund.
A. has
B. have
C. are
D. is

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Used toNounsVocabulary and ModalsSubordinating Conjunctions and ClausesConditional ClauseCommon ErrorConditionals III - Mixed 1st, 2nd & 3rd ConditionalsPresent ProgressiveVerbs + Infinitives / GerundsPast Tense vs Present TenseOther quiz:
Verb Tenses › View. Fill in the blank with the future simple: She (call) you tomorrow.
A. will call
B. is calling
C. calls
D. called
a, an, the, Zero Article › View
Are these ___ pair of shoes you wore at the prom?
A. A
B. The
C. Zero article
My parents usually …… go to work by bus.
A. doesn’t
B. don’t
C. aren’t
D. isn’t
Grammar & Vocabulary › View
We watched a documentary about the evolution of technology, ____ we learnt about a lot of interesting facts.
A. although
B. so
C. but