--I'm sorry I broke your mirror.
--Oh, really? ________.
A. Don't be sorry
B. I don't care at all
C. It doesn't matter
---Would you like some tea, please?
---Yes, I prefer tea ____ coffee.
A. to B. for C. than
Tom___ China for 3 years.
A. has been B. has been in C. has been to
There are many boys _______on the playground.
A. are running B. running C. to run
Children wake up very early____the morning of Christmas Day.
A. in B. on C. for
Can you tell me __________________?
A. what to do it
B. how to do
C. when to do it
