______ worries me that my daughter plays with her cellphone for a long time every day.
. Before radio and TV, music could only be heard _______, that is, you had to go to places where musicians gave performances.
. --- Have you been wasting time on computer games again ? --- _______. I’ve been studying a lot and I need a break.
. --- Did ________ get through the driving test? --- No, ________. A few failed.
. _____ you may have, you should gather your courage to face the challenge.
. I thought of him as my best friend until he ______ to the boss.