---do you want to be when you grow up?
--- I want to be a pilot and fly in the blue sky.
A. Which B. Who C. What
--- It is very cold this winter.
---Yes, but it was colder last winter, I remember.
A. already B. even C. more
I think _is impossible for me to climb such a high mountain.
A. it B. this C. that
Let's stop for a few minutes. I'mtired to walk any farther.
A. so B. enough C. too
--- __salt did you put in the soup?
--- None. I forgot.
A. How much B. How many C. How long