---Don’t you know Zhang Tao in my office? --- _______ He is my friend.A. Yes, I do. B. No, I don’t. C. Yes, I am
They find ___ difficult to understand the teacher when they talks.
It’s _______hard for him _______understand spoken English .
If you don’t know a word ,________in a dictionary .
_______can I practice listening ?
What about ______to practice pronunciation ?