I knocked on the door several times but answered, so I left.

Do you know the activity called “________ Lights” ?—Oh,it’s an activity that reminds people of saving energy.

Do you know the young man well?—Sure, we __________ friends since we met in Nanjing three years ago.

Money from the __________ / [buk] / sales will be donated.

Please call my sister_____835-688989.[ ]