[ Gerund or Infinitive ]
Please remember ____ lock the door when you go out.
A. to lock
B. locking
Select your answer:

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Simile, Metaphor or Personification › ViewMy son is a bat.
His eyes blink when darkness comes.
A. Simile
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Last year, you might have been _________ about mass production.
A. learn
B. learnt
C. learned
D. learning
