When the school bus arrived at the zoo, the bus door ______ open and all the children rushed out.

I think you’d better              your bad habits before you marry.

China was cracking down on drunk driving, including fines, 15-day detention, and having licenses ________ for up to 6 months.

Seeing the stranger _______, the frightened baby couldn’t help ______ crying.

1．    ! There is a train coming．