Six million, six hundred and sixty-six thousand, sixhundred and sixty-six is________.

It is the temple ______ we stayed last year _________ was burnt into pieces.

Don’t ________. Keep working hard and you will win the match. — Thank you, Mr. Zhang. We’ll try our best.

The reason ________ he gave for his absence from the meeting was ________ he was caught in a traffic jam.

“It” is often used to a baby.