I NEVER READ THE INSTRUCTION MANUAL. I LEARNED HOW TO USE THE COMPU...

74. - DE THI THU DAI HOC MON TIENG ANH VA DAP AN THAMKHAO
DE THI THU DAI HOC MON TIENG ANH VA DAP AN THAMKHAO
74.I never read the instruction manual. I learned how to use the computer by trial and __________.a) error b) mistake c) test d) experiment