Noise is harmful ______ our hearing.A. to B. for C. on
-Must I use both hands?-Yes, you _____.
It’s difficult _____ us to remember new words.
You should _____ some English every day. It’s good for your vocabulary.
I’m sure you know the difference _____”look for” and “find”.
She said her hand was _____, but that was only _____ excuse.