He has finished his work. ___.

Where did you pick up this wallet —It was in the supermarket_____ I did some shopping yesterday.

Middle school students hardly know anything about shopping online, __________ they— ________. It’s very popular with teenagers.

Many people watched CCTV’s Dictation Assembly of Chinese Characters(汉字听写大会). It had a great ____on developing our native language.

The reason ____ I have to go is _____ my mother is ill in hospital