91. You can either _____________ this bag or that one but not both.

Choose that word that is appropriate to fill in the blank?

A. Purchases
B. Purchase
C. Purchased
D. Will purchase

Respuesta :

B. Purchase is the correct answer.
The correct answer is:  [B]:  "purchase" . 
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       " You can either   purchase   this bag or that one but not both. "
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