Miss Li is teaching ___________the classroom and I am sitting ________ my friend.A. in front of; in the front of B. behind; in the front of C. in the front of; behind
The math teacher got angry with me when I did not ______ him in class yesterday.
Our English teacher speaks very loudly ______ all the students can hear him clearly.
I don't know ______ next time.
If you want to know how a word is used,you can ______ it ______ in a dictionary.
—What are you doing now,Jim? —I'm surfing the Internet.I want to find ______ on it.