[ Gerund - to Infinitive ]
The pizza company promised ___ within half an hour.
A. to deliver
B. deliver
C. delivering

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Do / Have / Can - Basic QuestionsPresent & Past TensesNoun, Quantifiers and SuffixesComparative AdjectiveGrammar and ReadingWho vs WhomVocabulary and IdiomsFuture Tenses, Conditionals and ProfessionsSubject and Verb AgreementRun-On SentencesOther quiz:
Modal Verbs › ViewYou’ve got plenty of time. You ________ hurry.
A. shouldn’t
B. needn’t
C. can’t
D. must not
Tenses › View
When … you … home yesterday?
A. do … come
B. did … come
C. have … came
D. was … coming
Grammar › ViewDaddy, I’m going out with John.
Sue ________ with John.
A. denied going out
B. apologised for going out
C. regretted going out
D. confessed that she was going
Vocabulary › View
Which word means suggested or understood without being stated directly?
A. Explicit
B. Protocol
C. Implicit
D. Immediately