10. - Can you show me your headmaster's office? -_____But I don't know if he is in at the moment. A. Go ahead B. You're welcome c. Of course not D. Sure
---Ouch! You hurt me!
---I am sorry. But I______ any harm I ______ to drive a rat out.
A didn’t mean; tried
B. don’t mean; am trying
C. haven’t meant; tried
D. didn’t mean; was trying