To do or... doing?

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Miembro desde hace

3 years 11 months
Edad: 10+
Level: Elementary
Idioma: English (en)
ID: 186358
13/05/2020
Country code: PL
Country: Poland
Asignatura: English as a Second Language (ESL) (1061958)
Tema principal: Gerund or Infinitive (2013000)

A short pop quiz.

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To do or... doing?

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