[ Perfect Tenses ]
The naughty boy ______________ the expensive vase. It is awful.
A. have break
B. had break
C. have broken
D. has broken

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Word Form & Verb TenseModals, Conditionals, and Clauses- Defining, Non-definingTOEICInversion + Passive VoiceGrammar: is/are/was/wereIndependent/Dependent Clauses & Relative ClausesTime ExpressionsPresent Continuous, Present Perfect and Used toSentence CompletionPast and Future TensesOther quiz:
Adjective or Adverb › ViewThe test was very _______.
A. easily
B. easy
Tenses › View
Apply changes to the verb base ‘swim’ to form the past tense.
A. swam
B. swimmed
C. swimmed
D. swum
Grammar › ViewSheila ______ go to the library when se was a young lady.
A. Did
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C. Used to
D. To
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______ workers and supervisors are required to attend the safety workshop.
A. Both
B. Either
C. Neither
D. All