rk platform, ______people can buy and sell many kinds of things

Listen carefully, _______ you can’t hear whatthe teacher is saying.

You will achieve nothing _____ you work hard

Usually, I can’t work on my lessons ______ full attention unless I am free ________ noise

Do you know the man _______ is talking withour English teacher—Oh, he must be Lin Tao’s father. He was lookingfor Lin Tao just now.