You should take _____ of this opportunity and try tomake a good impression on them

What do you think of the speech given by the CEO from Hong Kong? — Excellent, I have never heard ______________ one before.

We _____ close friends since we got to know each other in 2006, and we always keep in touch.

Mary is a newcomerI suppose it will take her a long time to _______ herself to the new surroundings

There are only ten minutes left; can we walk ___________?