It was _________ difficult work _________ nobody can do it.
A. so, that B. such, that C. such a, that D. so a, that
---Have you cooked supper_________?
---Yes, I have _________ finished it.
A. yet, just B. yet, ever
C. already, yet D. already, just
---What’s wrong with my son, doctor?
--- _______ serious. Just a slight cold.
A. Something B. Anything C. Nothing D. Everything
It’s more than 8 years since I a teacher.
A. become B. has become C. became D. becomes
Learning English will us a lot of time.
A. take B. spend C. cost D. pay
There 
a lot of farmland here. But now you can only see tall buildings.
A. used to have B. is used to being
C. used to having D. used to be
