Student or Learner
He died at the age of 80.
- Can I say at AN age of...?
She saved him from the fire but at the cost of her own life.
- Can I say at A cost of...?
A new computer system has been installed at a cost of £8, 000.
–Can I say at THE cost of…?
The truck was traveling at a speed of 50mph.
-Can I say at THE speed of...?
There particles travel at the speed of light. -Can I say at A speed of...?
I bought the bicycle at a/the price of NT$ 3,000.
-Between "a" and "the", which is correct?
Last edited by Rover_KE; 17-Jan-2016 at 13:11. Reason: Enlarging font.