Question

My grandfather has to stay at home and he_______most of his shopping online.
a.can do
b.can does
c.can to do​

Answer 1

My grandfather has to stay at home and he_______most of his shopping online.

  a) can do

  b) can does

  c) can to do

Can does no puede ser, ya que se esta hablando del sujeto "he", y para he se usa do, no does.

Y can to do no puede ser ya que la respuesta lleva to.