His collection of stamps is really impressive. I wonder how ...

[ Present Perfect and Past Simple ]

His collection of stamps is really impressive. I wonder how many he …… so far.

A. has collected

B. collected

C. hasn’t collected

D. didn’t collect

Select your answer:

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Present Simple and Continuous Adverbs, Prefixes, and Suffixes Comparison and Modals Subject Verb Agreement Irregular Verb Phrases & Clauses How many / How much - Is there / Are there Simple Future - Passive Grammar - Connectors Simple Past vs Past Continuous Tense

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