When was tea brougbt to Korea-It was brougbt to Korea during 6th and 7th century.

and Oklahoma City, both of ______werethe last two undefeated teams in the NBA this season, lost for the first timeon January 3rd

The street is covered with rubbish and .

Everyone can play an important part in society. As members, we should try our best to do __ .

He is used to _____ to his office in spite of bad weather.[ ]