[ Grammar ]
How old … your son when he won his first prize?
A. Is
B. Do
C. Did
D. Was

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Present or Past TensesSubject-Verb AgreementGrammar - may & mightVerb + InfinitiveTenses - Present and PastPrepositions of MovementPresent Simple, Present Continuous or Present PerfectPresent ContinuousPresent/Past/Past ParticpleWH Questions and Simple Past TenseOther quiz:
Homonyms › ViewMy son has ___ 10 centimeters since this past summer.
a. groan
b. grown
Grammar › View
I spoke to Jenny about the club, ____ which she is the manager.
A. of
B. for