[ Verb-ing or to Verb ]
He regretted _____ his house at such a low price. It would have been worth more.
A. sold
B. selling
C. to sell
D. to have sold

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Grammar › ViewI’ve got a pet ___
A. mice
B. mouse
Subject-Verb Agreement › View
In the surgery last week, each of the patient’s herniated discs ___ removed .
A. Was
B. Were
C. Are
D. Is
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A. Descriptive.
B. Quantitative.
C. Demonstrative.
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We use Past Perfect for?
A. something that happened again and again.
B. for something that started in the past and continued up to a given time in the past.
C. something that happened once in the past
